156624820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1153

約数の個数: 72

約数和(自身を含む): 367804584

約数和(自身を除く): 211179764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 220, 242, 244, 305, 484, 605, 610, 671, 1061, 1210, 1220, 1342, 2122, 2420, 2684, 3355, 4244, 5305, 6710, 7381, 10610, 11671, 13420, 14762, 21220, 23342, 29524, 36905, 46684, 58355, 64721, 73810, 116710, 128381, 129442, 147620, 233420, 256762, 258884, 323605, 513524, 641905, 647210, 711931, 1283810, 1294420, 1423862, 2567620, 2847724, 3559655, 7119310, 7831241, 14238620, 15662482, 31324964, 39156205, 78312410, 156624820]

約数ペア:

[(1, 156624820), (2, 78312410), (4, 39156205), (5, 31324964), (10, 15662482), (11, 14238620), (20, 7831241), (22, 7119310), (44, 3559655), (55, 2847724), (61, 2567620), (110, 1423862), (121, 1294420), (122, 1283810), (220, 711931), (242, 647210), (244, 641905), (305, 513524), (484, 323605), (605, 258884), (610, 256762), (671, 233420), (1061, 147620), (1210, 129442), (1220, 128381), (1342, 116710), (2122, 73810), (2420, 64721), (2684, 58355), (3355, 46684), (4244, 36905), (5305, 29524), (6710, 23342), (7381, 21220), (10610, 14762), (11671, 13420)]