71665020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{18959}}^1$

素因数の和:18984

約数の個数: 96

約数和(自身を含む): 254822400

約数和(自身を除く): 183157380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 18959, 37918, 56877, 75836, 94795, 113754, 132713, 170631, 189590, 227508, 265426, 284385, 341262, 379180, 398139, 511893, 530852, 568770, 663565, 682524, 796278, 853155, 1023786, 1137540, 1194417, 1327130, 1592556, 1706310, 1990695, 2047572, 2388834, 2559465, 2654260, 3412620, 3583251, 3981390, 4777668, 5118930, 5972085, 7166502, 7962780, 10237860, 11944170, 14333004, 17916255, 23888340, 35832510, 71665020]

約数ペア:

[(1, 71665020), (2, 35832510), (3, 23888340), (4, 17916255), (5, 14333004), (6, 11944170), (7, 10237860), (9, 7962780), (10, 7166502), (12, 5972085), (14, 5118930), (15, 4777668), (18, 3981390), (20, 3583251), (21, 3412620), (27, 2654260), (28, 2559465), (30, 2388834), (35, 2047572), (36, 1990695), (42, 1706310), (45, 1592556), (54, 1327130), (60, 1194417), (63, 1137540), (70, 1023786), (84, 853155), (90, 796278), (105, 682524), (108, 663565), (126, 568770), (135, 530852), (140, 511893), (180, 398139), (189, 379180), (210, 341262), (252, 284385), (270, 265426), (315, 227508), (378, 189590), (420, 170631), (540, 132713), (630, 113754), (756, 94795), (945, 75836), (1260, 56877), (1890, 37918), (3780, 18959)]