20298896800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:761

約数の個数: 432

約数和(自身を含む): 63193814712

約数和(自身を除く): 42894917912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 61, 65, 70, 80, 91, 98, 100, 104, 112, 122, 130, 140, 160, 175, 182, 196, 200, 208, 224, 244, 245, 260, 280, 305, 325, 350, 364, 392, 400, 416, 427, 455, 488, 490, 520, 560, 610, 637, 650, 653, 700, 728, 784, 793, 800, 854, 910, 976, 980, 1040, 1120, 1220, 1225, 1274, 1300, 1306, 1400, 1456, 1525, 1568, 1586, 1708, 1820, 1952, 1960, 2080, 2135, 2275, 2440, 2450, 2548, 2600, 2612, 2800, 2912, 2989, 3050, 3172, 3185, 3265, 3416, 3640, 3920, 3965, 4270, 4550, 4571, 4880, 4900, 5096, 5200, 5224, 5551, 5600, 5978, 6100, 6344, 6370, 6530, 6832, 7280, 7840, 7930, 8489, 8540, 9100, 9142, 9760, 9800, 10192, 10400, 10448, 10675, 11102, 11956, 12200, 12688, 12740, 13060, 13664, 14560, 14945, 15860, 15925, 16325, 16978, 17080, 18200, 18284, 19600, 19825, 20384, 20896, 21350, 22204, 22855, 23912, 24400, 25376, 25480, 26120, 27755, 29890, 31720, 31850, 31997, 32650, 33956, 34160, 36400, 36568, 38857, 39200, 39650, 39833, 42445, 42700, 44408, 45710, 47824, 48800, 50960, 52240, 55510, 59423, 59780, 63440, 63700, 63994, 65300, 67912, 68320, 72800, 73136, 74725, 77714, 79300, 79666, 84890, 85400, 88816, 91420, 95648, 101920, 104480, 111020, 114275, 118846, 119560, 126880, 127400, 127988, 130600, 135824, 138775, 146272, 149450, 155428, 158600, 159332, 159985, 169780, 170800, 177632, 182840, 194285, 199165, 212225, 222040, 228550, 237692, 239120, 254800, 255976, 261200, 271648, 277550, 278831, 297115, 298900, 310856, 317200, 318664, 319970, 339560, 341600, 365680, 388570, 398330, 415961, 424450, 444080, 457100, 475384, 478240, 509600, 511952, 517829, 522400, 555100, 557662, 594230, 597800, 621712, 634400, 637328, 639940, 679120, 731360, 777140, 796660, 799925, 831922, 848900, 888160, 914200, 950768, 971425, 995825, 1023904, 1035658, 1110200, 1115324, 1188460, 1195600, 1243424, 1274656, 1279880, 1358240, 1394155, 1485575, 1554280, 1593320, 1599850, 1663844, 1697800, 1828400, 1901536, 1942850, 1951817, 1991650, 2071316, 2079805, 2220400, 2230648, 2376920, 2391200, 2559760, 2589145, 2788310, 2971150, 3108560, 3186640, 3199700, 3327688, 3395600, 3624803, 3656800, 3885700, 3903634, 3983300, 4142632, 4159610, 4440800, 4461296, 4753840, 5119520, 5178290, 5576620, 5942300, 6217120, 6373280, 6399400, 6655376, 6791200, 6970775, 7249606, 7771400, 7807268, 7966600, 8285264, 8319220, 8922592, 9507680, 9759085, 10356580, 10399025, 11153240, 11884600, 12798800, 12945725, 13310752, 13941550, 14499212, 15542800, 15614536, 15933200, 16570528, 16638440, 18124015, 19518170, 20713160, 20798050, 22306480, 23769200, 25373621, 25597600, 25891450, 27883100, 28998424, 31085600, 31229072, 31866400, 33276880, 36248030, 39036340, 41426320, 41596100, 44612960, 47538400, 48795425, 50747242, 51782900, 55766200, 57996848, 62458144, 66553760, 72496060, 78072680, 82852640, 83192200, 90620075, 97590850, 101494484, 103565800, 111532400, 115993696, 126868105, 144992120, 156145360, 166384400, 181240150, 195181700, 202988968, 207131600, 223064800, 253736210, 289984240, 312290720, 332768800, 362480300, 390363400, 405977936, 414263200, 507472420, 579968480, 634340525, 724960600, 780726800, 811955872, 1014944840, 1268681050, 1449921200, 1561453600, 2029889680, 2537362100, 2899842400, 4059779360, 5074724200, 10149448400, 20298896800]

約数ペア:

[(1, 20298896800), (2, 10149448400), (4, 5074724200), (5, 4059779360), (7, 2899842400), (8, 2537362100), (10, 2029889680), (13, 1561453600), (14, 1449921200), (16, 1268681050), (20, 1014944840), (25, 811955872), (26, 780726800), (28, 724960600), (32, 634340525), (35, 579968480), (40, 507472420), (49, 414263200), (50, 405977936), (52, 390363400), (56, 362480300), (61, 332768800), (65, 312290720), (70, 289984240), (80, 253736210), (91, 223064800), (98, 207131600), (100, 202988968), (104, 195181700), (112, 181240150), (122, 166384400), (130, 156145360), (140, 144992120), (160, 126868105), (175, 115993696), (182, 111532400), (196, 103565800), (200, 101494484), (208, 97590850), (224, 90620075), (244, 83192200), (245, 82852640), (260, 78072680), (280, 72496060), (305, 66553760), (325, 62458144), (350, 57996848), (364, 55766200), (392, 51782900), (400, 50747242), (416, 48795425), (427, 47538400), (455, 44612960), (488, 41596100), (490, 41426320), (520, 39036340), (560, 36248030), (610, 33276880), (637, 31866400), (650, 31229072), (653, 31085600), (700, 28998424), (728, 27883100), (784, 25891450), (793, 25597600), (800, 25373621), (854, 23769200), (910, 22306480), (976, 20798050), (980, 20713160), (1040, 19518170), (1120, 18124015), (1220, 16638440), (1225, 16570528), (1274, 15933200), (1300, 15614536), (1306, 15542800), (1400, 14499212), (1456, 13941550), (1525, 13310752), (1568, 12945725), (1586, 12798800), (1708, 11884600), (1820, 11153240), (1952, 10399025), (1960, 10356580), (2080, 9759085), (2135, 9507680), (2275, 8922592), (2440, 8319220), (2450, 8285264), (2548, 7966600), (2600, 7807268), (2612, 7771400), (2800, 7249606), (2912, 6970775), (2989, 6791200), (3050, 6655376), (3172, 6399400), (3185, 6373280), (3265, 6217120), (3416, 5942300), (3640, 5576620), (3920, 5178290), (3965, 5119520), (4270, 4753840), (4550, 4461296), (4571, 4440800), (4880, 4159610), (4900, 4142632), (5096, 3983300), (5200, 3903634), (5224, 3885700), (5551, 3656800), (5600, 3624803), (5978, 3395600), (6100, 3327688), (6344, 3199700), (6370, 3186640), (6530, 3108560), (6832, 2971150), (7280, 2788310), (7840, 2589145), (7930, 2559760), (8489, 2391200), (8540, 2376920), (9100, 2230648), (9142, 2220400), (9760, 2079805), (9800, 2071316), (10192, 1991650), (10400, 1951817), (10448, 1942850), (10675, 1901536), (11102, 1828400), (11956, 1697800), (12200, 1663844), (12688, 1599850), (12740, 1593320), (13060, 1554280), (13664, 1485575), (14560, 1394155), (14945, 1358240), (15860, 1279880), (15925, 1274656), (16325, 1243424), (16978, 1195600), (17080, 1188460), (18200, 1115324), (18284, 1110200), (19600, 1035658), (19825, 1023904), (20384, 995825), (20896, 971425), (21350, 950768), (22204, 914200), (22855, 888160), (23912, 848900), (24400, 831922), (25376, 799925), (25480, 796660), (26120, 777140), (27755, 731360), (29890, 679120), (31720, 639940), (31850, 637328), (31997, 634400), (32650, 621712), (33956, 597800), (34160, 594230), (36400, 557662), (36568, 555100), (38857, 522400), (39200, 517829), (39650, 511952), (39833, 509600), (42445, 478240), (42700, 475384), (44408, 457100), (45710, 444080), (47824, 424450), (48800, 415961), (50960, 398330), (52240, 388570), (55510, 365680), (59423, 341600), (59780, 339560), (63440, 319970), (63700, 318664), (63994, 317200), (65300, 310856), (67912, 298900), (68320, 297115), (72800, 278831), (73136, 277550), (74725, 271648), (77714, 261200), (79300, 255976), (79666, 254800), (84890, 239120), (85400, 237692), (88816, 228550), (91420, 222040), (95648, 212225), (101920, 199165), (104480, 194285), (111020, 182840), (114275, 177632), (118846, 170800), (119560, 169780), (126880, 159985), (127400, 159332), (127988, 158600), (130600, 155428), (135824, 149450), (138775, 146272)]