1238988160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:564

約数の個数: 128

約数和(自身を含む): 3082717440

約数和(自身を除く): 1843729280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 197, 248, 310, 317, 320, 394, 496, 620, 634, 640, 788, 985, 992, 1240, 1268, 1576, 1585, 1970, 1984, 2480, 2536, 3152, 3170, 3940, 3968, 4960, 5072, 6107, 6304, 6340, 7880, 9827, 9920, 10144, 12214, 12608, 12680, 15760, 19654, 19840, 20288, 24428, 25216, 25360, 30535, 31520, 39308, 40576, 48856, 49135, 50720, 61070, 62449, 63040, 78616, 97712, 98270, 101440, 122140, 124898, 126080, 157232, 195424, 196540, 202880, 244280, 249796, 312245, 314464, 390848, 393080, 488560, 499592, 624490, 628928, 781696, 786160, 977120, 999184, 1248980, 1257856, 1572320, 1935919, 1954240, 1998368, 2497960, 3144640, 3871838, 3908480, 3996736, 4995920, 6289280, 7743676, 7993472, 9679595, 9991840, 15487352, 19359190, 19983680, 30974704, 38718380, 39967360, 61949408, 77436760, 123898816, 154873520, 247797632, 309747040, 619494080, 1238988160]

約数ペア:

[(1, 1238988160), (2, 619494080), (4, 309747040), (5, 247797632), (8, 154873520), (10, 123898816), (16, 77436760), (20, 61949408), (31, 39967360), (32, 38718380), (40, 30974704), (62, 19983680), (64, 19359190), (80, 15487352), (124, 9991840), (128, 9679595), (155, 7993472), (160, 7743676), (197, 6289280), (248, 4995920), (310, 3996736), (317, 3908480), (320, 3871838), (394, 3144640), (496, 2497960), (620, 1998368), (634, 1954240), (640, 1935919), (788, 1572320), (985, 1257856), (992, 1248980), (1240, 999184), (1268, 977120), (1576, 786160), (1585, 781696), (1970, 628928), (1984, 624490), (2480, 499592), (2536, 488560), (3152, 393080), (3170, 390848), (3940, 314464), (3968, 312245), (4960, 249796), (5072, 244280), (6107, 202880), (6304, 196540), (6340, 195424), (7880, 157232), (9827, 126080), (9920, 124898), (10144, 122140), (12214, 101440), (12608, 98270), (12680, 97712), (15760, 78616), (19654, 63040), (19840, 62449), (20288, 61070), (24428, 50720), (25216, 49135), (25360, 48856), (30535, 40576), (31520, 39308)]