12431320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 32140800

約数和(自身を除く): 19709480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1487, 1672, 2090, 2974, 4180, 5948, 7435, 8360, 11896, 14870, 16357, 28253, 29740, 32714, 56506, 59480, 65428, 81785, 113012, 130856, 141265, 163570, 226024, 282530, 310783, 327140, 565060, 621566, 654280, 1130120, 1243132, 1553915, 2486264, 3107830, 6215660, 12431320]

約数ペア:

[(1, 12431320), (2, 6215660), (4, 3107830), (5, 2486264), (8, 1553915), (10, 1243132), (11, 1130120), (19, 654280), (20, 621566), (22, 565060), (38, 327140), (40, 310783), (44, 282530), (55, 226024), (76, 163570), (88, 141265), (95, 130856), (110, 113012), (152, 81785), (190, 65428), (209, 59480), (220, 56506), (380, 32714), (418, 29740), (440, 28253), (760, 16357), (836, 14870), (1045, 11896), (1487, 8360), (1672, 7435), (2090, 5948), (2974, 4180)]