15871840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 41368320

約数和(自身を除く): 25496480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 227, 230, 304, 368, 380, 437, 454, 460, 608, 736, 760, 874, 908, 920, 1135, 1520, 1748, 1816, 1840, 2185, 2270, 3040, 3496, 3632, 3680, 4313, 4370, 4540, 5221, 6992, 7264, 8626, 8740, 9080, 10442, 13984, 17252, 17480, 18160, 20884, 21565, 26105, 34504, 34960, 36320, 41768, 43130, 52210, 69008, 69920, 83536, 86260, 99199, 104420, 138016, 167072, 172520, 198398, 208840, 345040, 396796, 417680, 495995, 690080, 793592, 835360, 991990, 1587184, 1983980, 3174368, 3967960, 7935920, 15871840]

約数ペア:

[(1, 15871840), (2, 7935920), (4, 3967960), (5, 3174368), (8, 1983980), (10, 1587184), (16, 991990), (19, 835360), (20, 793592), (23, 690080), (32, 495995), (38, 417680), (40, 396796), (46, 345040), (76, 208840), (80, 198398), (92, 172520), (95, 167072), (115, 138016), (152, 104420), (160, 99199), (184, 86260), (190, 83536), (227, 69920), (230, 69008), (304, 52210), (368, 43130), (380, 41768), (437, 36320), (454, 34960), (460, 34504), (608, 26105), (736, 21565), (760, 20884), (874, 18160), (908, 17480), (920, 17252), (1135, 13984), (1520, 10442), (1748, 9080), (1816, 8740), (1840, 8626), (2185, 7264), (2270, 6992), (3040, 5221), (3496, 4540), (3632, 4370), (3680, 4313)]