42001280

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 108691200

約数和(自身を除く): 66689920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 73, 80, 116, 124, 128, 145, 146, 155, 160, 232, 248, 290, 292, 310, 320, 365, 464, 496, 580, 584, 620, 640, 730, 899, 928, 992, 1160, 1168, 1240, 1460, 1798, 1856, 1984, 2117, 2263, 2320, 2336, 2480, 2920, 3596, 3712, 3968, 4234, 4495, 4526, 4640, 4672, 4960, 5840, 7192, 8468, 8990, 9052, 9280, 9344, 9920, 10585, 11315, 11680, 14384, 16936, 17980, 18104, 18560, 19840, 21170, 22630, 23360, 28768, 33872, 35960, 36208, 42340, 45260, 46720, 57536, 65627, 67744, 71920, 72416, 84680, 90520, 115072, 131254, 135488, 143840, 144832, 169360, 181040, 262508, 270976, 287680, 289664, 328135, 338720, 362080, 525016, 575360, 656270, 677440, 724160, 1050032, 1312540, 1354880, 1448320, 2100064, 2625080, 4200128, 5250160, 8400256, 10500320, 21000640, 42001280]

約数ペア:

[(1, 42001280), (2, 21000640), (4, 10500320), (5, 8400256), (8, 5250160), (10, 4200128), (16, 2625080), (20, 2100064), (29, 1448320), (31, 1354880), (32, 1312540), (40, 1050032), (58, 724160), (62, 677440), (64, 656270), (73, 575360), (80, 525016), (116, 362080), (124, 338720), (128, 328135), (145, 289664), (146, 287680), (155, 270976), (160, 262508), (232, 181040), (248, 169360), (290, 144832), (292, 143840), (310, 135488), (320, 131254), (365, 115072), (464, 90520), (496, 84680), (580, 72416), (584, 71920), (620, 67744), (640, 65627), (730, 57536), (899, 46720), (928, 45260), (992, 42340), (1160, 36208), (1168, 35960), (1240, 33872), (1460, 28768), (1798, 23360), (1856, 22630), (1984, 21170), (2117, 19840), (2263, 18560), (2320, 18104), (2336, 17980), (2480, 16936), (2920, 14384), (3596, 11680), (3712, 11315), (3968, 10585), (4234, 9920), (4495, 9344), (4526, 9280), (4640, 9052), (4672, 8990), (4960, 8468), (5840, 7192)]