71879660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 167650560

約数和(自身を除く): 95770900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 53, 76, 83, 86, 95, 106, 166, 172, 190, 212, 215, 265, 332, 380, 415, 430, 530, 817, 830, 860, 1007, 1060, 1577, 1634, 1660, 2014, 2279, 3154, 3268, 3569, 4028, 4085, 4399, 4558, 5035, 6308, 7138, 7885, 8170, 8798, 9116, 10070, 11395, 14276, 15770, 16340, 17596, 17845, 20140, 21995, 22790, 31540, 35690, 43301, 43990, 45580, 67811, 71380, 83581, 86602, 87980, 135622, 167162, 173204, 189157, 216505, 271244, 334324, 339055, 378314, 417905, 433010, 678110, 756628, 835810, 866020, 945785, 1356220, 1671620, 1891570, 3593983, 3783140, 7187966, 14375932, 17969915, 35939830, 71879660]

約数ペア:

[(1, 71879660), (2, 35939830), (4, 17969915), (5, 14375932), (10, 7187966), (19, 3783140), (20, 3593983), (38, 1891570), (43, 1671620), (53, 1356220), (76, 945785), (83, 866020), (86, 835810), (95, 756628), (106, 678110), (166, 433010), (172, 417905), (190, 378314), (212, 339055), (215, 334324), (265, 271244), (332, 216505), (380, 189157), (415, 173204), (430, 167162), (530, 135622), (817, 87980), (830, 86602), (860, 83581), (1007, 71380), (1060, 67811), (1577, 45580), (1634, 43990), (1660, 43301), (2014, 35690), (2279, 31540), (3154, 22790), (3268, 21995), (3569, 20140), (4028, 17845), (4085, 17596), (4399, 16340), (4558, 15770), (5035, 14276), (6308, 11395), (7138, 10070), (7885, 9116), (8170, 8798)]