61129520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^2$

素因数の和:358

約数の個数: 60

約数和(自身を含む): 147651264

約数和(自身を除く): 86521744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 157, 248, 310, 314, 496, 620, 628, 785, 1240, 1256, 1570, 2480, 2512, 3140, 4867, 6280, 9734, 12560, 19468, 24335, 24649, 38936, 48670, 49298, 77872, 97340, 98596, 123245, 194680, 197192, 246490, 389360, 394384, 492980, 764119, 985960, 1528238, 1971920, 3056476, 3820595, 6112952, 7641190, 12225904, 15282380, 30564760, 61129520]

約数ペア:

[(1, 61129520), (2, 30564760), (4, 15282380), (5, 12225904), (8, 7641190), (10, 6112952), (16, 3820595), (20, 3056476), (31, 1971920), (40, 1528238), (62, 985960), (80, 764119), (124, 492980), (155, 394384), (157, 389360), (248, 246490), (310, 197192), (314, 194680), (496, 123245), (620, 98596), (628, 97340), (785, 77872), (1240, 49298), (1256, 48670), (1570, 38936), (2480, 24649), (2512, 24335), (3140, 19468), (4867, 12560), (6280, 9734)]