71969920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10223}}^1$

素因数の和:10253

約数の個数: 64

約数和(自身を含む): 187712640

約数和(自身を除く): 115742720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 10223, 20446, 40892, 51115, 81784, 102230, 112453, 163568, 204460, 224906, 327136, 408920, 449812, 562265, 654272, 817840, 899624, 1124530, 1308544, 1635680, 1799248, 2249060, 3271360, 3598496, 4498120, 6542720, 7196992, 8996240, 14393984, 17992480, 35984960, 71969920]

約数ペア:

[(1, 71969920), (2, 35984960), (4, 17992480), (5, 14393984), (8, 8996240), (10, 7196992), (11, 6542720), (16, 4498120), (20, 3598496), (22, 3271360), (32, 2249060), (40, 1799248), (44, 1635680), (55, 1308544), (64, 1124530), (80, 899624), (88, 817840), (110, 654272), (128, 562265), (160, 449812), (176, 408920), (220, 327136), (320, 224906), (352, 204460), (440, 163568), (640, 112453), (704, 102230), (880, 81784), (1408, 51115), (1760, 40892), (3520, 20446), (7040, 10223)]