71319820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2267}}^1$

素因数の和:2311

約数の個数: 72

約数和(自身を含む): 177366672

約数和(自身を除く): 106046852

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2267, 2420, 2860, 3146, 4534, 6292, 7865, 9068, 11335, 15730, 22670, 24937, 29471, 31460, 45340, 49874, 58942, 99748, 117884, 124685, 147355, 249370, 274307, 294710, 324181, 498740, 548614, 589420, 648362, 1097228, 1296724, 1371535, 1620905, 2743070, 3241810, 3565991, 5486140, 6483620, 7131982, 14263964, 17829955, 35659910, 71319820]

約数ペア:

[(1, 71319820), (2, 35659910), (4, 17829955), (5, 14263964), (10, 7131982), (11, 6483620), (13, 5486140), (20, 3565991), (22, 3241810), (26, 2743070), (44, 1620905), (52, 1371535), (55, 1296724), (65, 1097228), (110, 648362), (121, 589420), (130, 548614), (143, 498740), (220, 324181), (242, 294710), (260, 274307), (286, 249370), (484, 147355), (572, 124685), (605, 117884), (715, 99748), (1210, 58942), (1430, 49874), (1573, 45340), (2267, 31460), (2420, 29471), (2860, 24937), (3146, 22670), (4534, 15730), (6292, 11335), (7865, 9068)]