79421720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9781}}^1$

素因数の和:9828

約数の個数: 64

約数和(自身を含む): 211291200

約数和(自身を除く): 131869480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 9781, 19562, 39124, 48905, 68467, 78248, 97810, 136934, 195620, 273868, 283649, 342335, 391240, 547736, 567298, 684670, 1134596, 1369340, 1418245, 1985543, 2269192, 2738680, 2836490, 3971086, 5672980, 7942172, 9927715, 11345960, 15884344, 19855430, 39710860, 79421720]

約数ペア:

[(1, 79421720), (2, 39710860), (4, 19855430), (5, 15884344), (7, 11345960), (8, 9927715), (10, 7942172), (14, 5672980), (20, 3971086), (28, 2836490), (29, 2738680), (35, 2269192), (40, 1985543), (56, 1418245), (58, 1369340), (70, 1134596), (116, 684670), (140, 567298), (145, 547736), (203, 391240), (232, 342335), (280, 283649), (290, 273868), (406, 195620), (580, 136934), (812, 97810), (1015, 78248), (1160, 68467), (1624, 48905), (2030, 39124), (4060, 19562), (8120, 9781)]