1981484960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 384

約数和(自身を含む): 6173604864

約数和(自身を除く): 4192119904

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 61, 65, 70, 80, 91, 92, 97, 104, 112, 115, 122, 130, 140, 160, 161, 182, 184, 194, 208, 224, 230, 244, 260, 280, 299, 305, 322, 364, 368, 388, 416, 427, 455, 460, 485, 488, 520, 560, 598, 610, 644, 679, 728, 736, 776, 793, 805, 854, 910, 920, 970, 976, 1040, 1120, 1196, 1220, 1261, 1288, 1358, 1403, 1456, 1495, 1552, 1586, 1610, 1708, 1820, 1840, 1940, 1952, 2080, 2093, 2135, 2231, 2392, 2440, 2522, 2576, 2716, 2806, 2912, 2990, 3104, 3172, 3220, 3395, 3416, 3640, 3680, 3880, 3965, 4186, 4270, 4462, 4784, 4880, 5044, 5152, 5432, 5551, 5612, 5917, 5980, 6305, 6344, 6440, 6790, 6832, 7015, 7280, 7760, 7930, 8372, 8540, 8827, 8924, 9568, 9760, 9821, 10088, 10465, 10864, 11102, 11155, 11224, 11834, 11960, 12610, 12688, 12880, 13580, 13664, 14030, 14560, 15520, 15617, 15860, 16744, 17080, 17654, 17848, 18239, 19642, 20176, 20930, 21728, 22204, 22310, 22448, 23668, 23920, 25220, 25376, 25760, 27160, 27755, 28060, 29003, 29585, 31234, 31720, 33488, 34160, 35308, 35696, 36478, 39284, 40352, 41419, 41860, 44135, 44408, 44620, 44896, 47336, 47840, 49105, 50440, 54320, 55510, 56120, 58006, 59170, 62468, 63440, 66976, 68320, 70616, 71392, 72956, 76921, 78085, 78568, 82838, 83720, 88270, 88816, 89240, 91195, 94672, 98210, 100880, 108640, 111020, 112240, 116012, 118340, 124936, 126880, 127673, 136091, 141232, 145015, 145912, 153842, 156170, 157136, 165676, 167440, 176540, 177632, 178480, 182390, 189344, 196420, 201760, 203021, 207095, 222040, 224480, 232024, 236680, 249872, 255346, 272182, 282464, 290030, 291824, 307684, 312340, 314272, 331352, 334880, 353080, 356960, 364780, 384605, 392840, 406042, 414190, 444080, 464048, 473360, 499744, 510692, 538447, 544364, 580060, 583648, 615368, 624680, 638365, 662704, 680455, 706160, 729560, 769210, 785680, 812084, 828380, 888160, 928096, 946720, 952637, 1015105, 1021384, 1076894, 1088728, 1160120, 1230736, 1249360, 1276730, 1325408, 1360910, 1412320, 1459120, 1538420, 1571360, 1624168, 1656760, 1769183, 1905274, 2030210, 2042768, 2153788, 2177456, 2320240, 2461472, 2498720, 2553460, 2692235, 2721820, 2918240, 3076840, 3248336, 3313520, 3538366, 3810548, 4060420, 4085536, 4307576, 4354912, 4640480, 4763185, 5106920, 5384470, 5443640, 6153680, 6496672, 6627040, 7076732, 7621096, 8120840, 8615152, 8845915, 9526370, 10213840, 10768940, 10887280, 12307360, 12384281, 14153464, 15242192, 16241680, 17230304, 17691830, 19052740, 20427680, 21537880, 21774560, 24768562, 28306928, 30484384, 32483360, 35383660, 38105480, 43075760, 49537124, 56613856, 61921405, 70767320, 76210960, 86151520, 99074248, 123842810, 141534640, 152421920, 198148496, 247685620, 283069280, 396296992, 495371240, 990742480, 1981484960]

約数ペア:

[(1, 1981484960), (2, 990742480), (4, 495371240), (5, 396296992), (7, 283069280), (8, 247685620), (10, 198148496), (13, 152421920), (14, 141534640), (16, 123842810), (20, 99074248), (23, 86151520), (26, 76210960), (28, 70767320), (32, 61921405), (35, 56613856), (40, 49537124), (46, 43075760), (52, 38105480), (56, 35383660), (61, 32483360), (65, 30484384), (70, 28306928), (80, 24768562), (91, 21774560), (92, 21537880), (97, 20427680), (104, 19052740), (112, 17691830), (115, 17230304), (122, 16241680), (130, 15242192), (140, 14153464), (160, 12384281), (161, 12307360), (182, 10887280), (184, 10768940), (194, 10213840), (208, 9526370), (224, 8845915), (230, 8615152), (244, 8120840), (260, 7621096), (280, 7076732), (299, 6627040), (305, 6496672), (322, 6153680), (364, 5443640), (368, 5384470), (388, 5106920), (416, 4763185), (427, 4640480), (455, 4354912), (460, 4307576), (485, 4085536), (488, 4060420), (520, 3810548), (560, 3538366), (598, 3313520), (610, 3248336), (644, 3076840), (679, 2918240), (728, 2721820), (736, 2692235), (776, 2553460), (793, 2498720), (805, 2461472), (854, 2320240), (910, 2177456), (920, 2153788), (970, 2042768), (976, 2030210), (1040, 1905274), (1120, 1769183), (1196, 1656760), (1220, 1624168), (1261, 1571360), (1288, 1538420), (1358, 1459120), (1403, 1412320), (1456, 1360910), (1495, 1325408), (1552, 1276730), (1586, 1249360), (1610, 1230736), (1708, 1160120), (1820, 1088728), (1840, 1076894), (1940, 1021384), (1952, 1015105), (2080, 952637), (2093, 946720), (2135, 928096), (2231, 888160), (2392, 828380), (2440, 812084), (2522, 785680), (2576, 769210), (2716, 729560), (2806, 706160), (2912, 680455), (2990, 662704), (3104, 638365), (3172, 624680), (3220, 615368), (3395, 583648), (3416, 580060), (3640, 544364), (3680, 538447), (3880, 510692), (3965, 499744), (4186, 473360), (4270, 464048), (4462, 444080), (4784, 414190), (4880, 406042), (5044, 392840), (5152, 384605), (5432, 364780), (5551, 356960), (5612, 353080), (5917, 334880), (5980, 331352), (6305, 314272), (6344, 312340), (6440, 307684), (6790, 291824), (6832, 290030), (7015, 282464), (7280, 272182), (7760, 255346), (7930, 249872), (8372, 236680), (8540, 232024), (8827, 224480), (8924, 222040), (9568, 207095), (9760, 203021), (9821, 201760), (10088, 196420), (10465, 189344), (10864, 182390), (11102, 178480), (11155, 177632), (11224, 176540), (11834, 167440), (11960, 165676), (12610, 157136), (12688, 156170), (12880, 153842), (13580, 145912), (13664, 145015), (14030, 141232), (14560, 136091), (15520, 127673), (15617, 126880), (15860, 124936), (16744, 118340), (17080, 116012), (17654, 112240), (17848, 111020), (18239, 108640), (19642, 100880), (20176, 98210), (20930, 94672), (21728, 91195), (22204, 89240), (22310, 88816), (22448, 88270), (23668, 83720), (23920, 82838), (25220, 78568), (25376, 78085), (25760, 76921), (27160, 72956), (27755, 71392), (28060, 70616), (29003, 68320), (29585, 66976), (31234, 63440), (31720, 62468), (33488, 59170), (34160, 58006), (35308, 56120), (35696, 55510), (36478, 54320), (39284, 50440), (40352, 49105), (41419, 47840), (41860, 47336), (44135, 44896), (44408, 44620)]