640854720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{613}}^1$

素因数の和:661

約数の個数: 336

約数和(自身を含む): 2489057760

約数和(自身を除く): 1848203040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 121, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 242, 264, 270, 288, 297, 320, 330, 352, 360, 363, 396, 432, 440, 480, 484, 495, 528, 540, 576, 594, 605, 613, 660, 704, 720, 726, 792, 864, 880, 960, 968, 990, 1056, 1080, 1089, 1188, 1210, 1226, 1320, 1440, 1452, 1485, 1584, 1728, 1760, 1815, 1839, 1936, 1980, 2112, 2160, 2178, 2376, 2420, 2452, 2640, 2880, 2904, 2970, 3065, 3168, 3267, 3520, 3630, 3678, 3872, 3960, 4320, 4356, 4752, 4840, 4904, 5280, 5445, 5517, 5808, 5940, 6130, 6336, 6534, 6743, 7260, 7356, 7744, 7920, 8640, 8712, 9195, 9504, 9680, 9808, 10560, 10890, 11034, 11616, 11880, 12260, 13068, 13486, 14520, 14712, 15840, 16335, 16551, 17424, 18390, 19008, 19360, 19616, 20229, 21780, 22068, 23232, 23760, 24520, 26136, 26972, 27585, 29040, 29424, 31680, 32670, 33102, 33715, 34848, 36780, 38720, 39232, 40458, 43560, 44136, 47520, 49040, 52272, 53944, 55170, 58080, 58848, 60687, 65340, 66204, 67430, 69696, 73560, 74173, 80916, 82755, 87120, 88272, 95040, 98080, 101145, 104544, 107888, 110340, 116160, 117696, 121374, 130680, 132408, 134860, 147120, 148346, 161832, 165510, 174240, 176544, 182061, 196160, 202290, 209088, 215776, 220680, 222519, 242748, 261360, 264816, 269720, 294240, 296692, 303435, 323664, 331020, 348480, 353088, 364122, 370865, 404580, 431552, 441360, 445038, 485496, 522720, 529632, 539440, 588480, 593384, 606870, 647328, 662040, 667557, 728244, 741730, 809160, 882720, 890076, 910305, 970992, 1045440, 1059264, 1078880, 1112595, 1186768, 1213740, 1294656, 1324080, 1335114, 1456488, 1483460, 1618320, 1765440, 1780152, 1820610, 1941984, 2002671, 2157760, 2225190, 2373536, 2427480, 2648160, 2670228, 2912976, 2966920, 3236640, 3337785, 3560304, 3641220, 3883968, 4005342, 4450380, 4747072, 4854960, 5296320, 5340456, 5825952, 5933840, 6473280, 6675570, 7120608, 7282440, 8010684, 8900760, 9709920, 10013355, 10680912, 11651904, 11867680, 13351140, 14241216, 14564880, 16021368, 17801520, 19419840, 20026710, 21361824, 23735360, 26702280, 29129760, 32042736, 35603040, 40053420, 42723648, 53404560, 58259520, 64085472, 71206080, 80106840, 106809120, 128170944, 160213680, 213618240, 320427360, 640854720]

約数ペア:

[(1, 640854720), (2, 320427360), (3, 213618240), (4, 160213680), (5, 128170944), (6, 106809120), (8, 80106840), (9, 71206080), (10, 64085472), (11, 58259520), (12, 53404560), (15, 42723648), (16, 40053420), (18, 35603040), (20, 32042736), (22, 29129760), (24, 26702280), (27, 23735360), (30, 21361824), (32, 20026710), (33, 19419840), (36, 17801520), (40, 16021368), (44, 14564880), (45, 14241216), (48, 13351140), (54, 11867680), (55, 11651904), (60, 10680912), (64, 10013355), (66, 9709920), (72, 8900760), (80, 8010684), (88, 7282440), (90, 7120608), (96, 6675570), (99, 6473280), (108, 5933840), (110, 5825952), (120, 5340456), (121, 5296320), (132, 4854960), (135, 4747072), (144, 4450380), (160, 4005342), (165, 3883968), (176, 3641220), (180, 3560304), (192, 3337785), (198, 3236640), (216, 2966920), (220, 2912976), (240, 2670228), (242, 2648160), (264, 2427480), (270, 2373536), (288, 2225190), (297, 2157760), (320, 2002671), (330, 1941984), (352, 1820610), (360, 1780152), (363, 1765440), (396, 1618320), (432, 1483460), (440, 1456488), (480, 1335114), (484, 1324080), (495, 1294656), (528, 1213740), (540, 1186768), (576, 1112595), (594, 1078880), (605, 1059264), (613, 1045440), (660, 970992), (704, 910305), (720, 890076), (726, 882720), (792, 809160), (864, 741730), (880, 728244), (960, 667557), (968, 662040), (990, 647328), (1056, 606870), (1080, 593384), (1089, 588480), (1188, 539440), (1210, 529632), (1226, 522720), (1320, 485496), (1440, 445038), (1452, 441360), (1485, 431552), (1584, 404580), (1728, 370865), (1760, 364122), (1815, 353088), (1839, 348480), (1936, 331020), (1980, 323664), (2112, 303435), (2160, 296692), (2178, 294240), (2376, 269720), (2420, 264816), (2452, 261360), (2640, 242748), (2880, 222519), (2904, 220680), (2970, 215776), (3065, 209088), (3168, 202290), (3267, 196160), (3520, 182061), (3630, 176544), (3678, 174240), (3872, 165510), (3960, 161832), (4320, 148346), (4356, 147120), (4752, 134860), (4840, 132408), (4904, 130680), (5280, 121374), (5445, 117696), (5517, 116160), (5808, 110340), (5940, 107888), (6130, 104544), (6336, 101145), (6534, 98080), (6743, 95040), (7260, 88272), (7356, 87120), (7744, 82755), (7920, 80916), (8640, 74173), (8712, 73560), (9195, 69696), (9504, 67430), (9680, 66204), (9808, 65340), (10560, 60687), (10890, 58848), (11034, 58080), (11616, 55170), (11880, 53944), (12260, 52272), (13068, 49040), (13486, 47520), (14520, 44136), (14712, 43560), (15840, 40458), (16335, 39232), (16551, 38720), (17424, 36780), (18390, 34848), (19008, 33715), (19360, 33102), (19616, 32670), (20229, 31680), (21780, 29424), (22068, 29040), (23232, 27585), (23760, 26972), (24520, 26136)]