64360960

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:865

約数の個数: 80

約数和(自身を含む): 159489792

約数和(自身を除く): 95128832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 811, 992, 1240, 1280, 1622, 1984, 2480, 2560, 3244, 3968, 4055, 4960, 6488, 7936, 8110, 9920, 12976, 15872, 16220, 19840, 25141, 25952, 32440, 39680, 50282, 51904, 64880, 79360, 100564, 103808, 125705, 129760, 201128, 207616, 251410, 259520, 402256, 415232, 502820, 519040, 804512, 1005640, 1038080, 1609024, 2011280, 2076160, 3218048, 4022560, 6436096, 8045120, 12872192, 16090240, 32180480, 64360960]

約数ペア:

[(1, 64360960), (2, 32180480), (4, 16090240), (5, 12872192), (8, 8045120), (10, 6436096), (16, 4022560), (20, 3218048), (31, 2076160), (32, 2011280), (40, 1609024), (62, 1038080), (64, 1005640), (80, 804512), (124, 519040), (128, 502820), (155, 415232), (160, 402256), (248, 259520), (256, 251410), (310, 207616), (320, 201128), (496, 129760), (512, 125705), (620, 103808), (640, 100564), (811, 79360), (992, 64880), (1240, 51904), (1280, 50282), (1622, 39680), (1984, 32440), (2480, 25952), (2560, 25141), (3244, 19840), (3968, 16220), (4055, 15872), (4960, 12976), (6488, 9920), (7936, 8110)]