77228820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5431}}^1$

素因数の和:5525

約数の個数: 72

約数和(自身を含む): 237269760

約数和(自身を除く): 160040940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 5431, 7110, 10862, 14220, 16293, 21724, 27155, 32586, 48879, 54310, 65172, 81465, 97758, 108620, 162930, 195516, 244395, 325860, 429049, 488790, 858098, 977580, 1287147, 1716196, 2145245, 2574294, 3861441, 4290490, 5148588, 6435735, 7722882, 8580980, 12871470, 15445764, 19307205, 25742940, 38614410, 77228820]

約数ペア:

[(1, 77228820), (2, 38614410), (3, 25742940), (4, 19307205), (5, 15445764), (6, 12871470), (9, 8580980), (10, 7722882), (12, 6435735), (15, 5148588), (18, 4290490), (20, 3861441), (30, 2574294), (36, 2145245), (45, 1716196), (60, 1287147), (79, 977580), (90, 858098), (158, 488790), (180, 429049), (237, 325860), (316, 244395), (395, 195516), (474, 162930), (711, 108620), (790, 97758), (948, 81465), (1185, 65172), (1422, 54310), (1580, 48879), (2370, 32586), (2844, 27155), (3555, 21724), (4740, 16293), (5431, 14220), (7110, 10862)]