64356800

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 168

約数和(自身を含む): 174802800

約数和(自身を除く): 110446000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 32, 38, 40, 50, 58, 64, 73, 76, 80, 95, 100, 116, 145, 146, 152, 160, 190, 200, 232, 290, 292, 304, 320, 365, 380, 400, 464, 475, 551, 580, 584, 608, 725, 730, 760, 800, 928, 950, 1102, 1160, 1168, 1216, 1387, 1450, 1460, 1520, 1600, 1825, 1856, 1900, 2117, 2204, 2320, 2336, 2755, 2774, 2900, 2920, 3040, 3650, 3800, 4234, 4408, 4640, 4672, 5510, 5548, 5800, 5840, 6080, 6935, 7300, 7600, 8468, 8816, 9280, 10585, 11020, 11096, 11600, 11680, 13775, 13870, 14600, 15200, 16936, 17632, 21170, 22040, 22192, 23200, 23360, 27550, 27740, 29200, 30400, 33872, 34675, 35264, 40223, 42340, 44080, 44384, 46400, 52925, 55100, 55480, 58400, 67744, 69350, 80446, 84680, 88160, 88768, 105850, 110200, 110960, 116800, 135488, 138700, 160892, 169360, 176320, 201115, 211700, 220400, 221920, 277400, 321784, 338720, 402230, 423400, 440800, 443840, 554800, 643568, 677440, 804460, 846800, 881600, 1005575, 1109600, 1287136, 1608920, 1693600, 2011150, 2219200, 2574272, 3217840, 3387200, 4022300, 6435680, 8044600, 12871360, 16089200, 32178400, 64356800]

約数ペア:

[(1, 64356800), (2, 32178400), (4, 16089200), (5, 12871360), (8, 8044600), (10, 6435680), (16, 4022300), (19, 3387200), (20, 3217840), (25, 2574272), (29, 2219200), (32, 2011150), (38, 1693600), (40, 1608920), (50, 1287136), (58, 1109600), (64, 1005575), (73, 881600), (76, 846800), (80, 804460), (95, 677440), (100, 643568), (116, 554800), (145, 443840), (146, 440800), (152, 423400), (160, 402230), (190, 338720), (200, 321784), (232, 277400), (290, 221920), (292, 220400), (304, 211700), (320, 201115), (365, 176320), (380, 169360), (400, 160892), (464, 138700), (475, 135488), (551, 116800), (580, 110960), (584, 110200), (608, 105850), (725, 88768), (730, 88160), (760, 84680), (800, 80446), (928, 69350), (950, 67744), (1102, 58400), (1160, 55480), (1168, 55100), (1216, 52925), (1387, 46400), (1450, 44384), (1460, 44080), (1520, 42340), (1600, 40223), (1825, 35264), (1856, 34675), (1900, 33872), (2117, 30400), (2204, 29200), (2320, 27740), (2336, 27550), (2755, 23360), (2774, 23200), (2900, 22192), (2920, 22040), (3040, 21170), (3650, 17632), (3800, 16936), (4234, 15200), (4408, 14600), (4640, 13870), (4672, 13775), (5510, 11680), (5548, 11600), (5800, 11096), (5840, 11020), (6080, 10585), (6935, 9280), (7300, 8816), (7600, 8468)]