31775790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 81181440

約数和(自身を除く): 49405650

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 107, 114, 190, 214, 285, 321, 521, 535, 570, 642, 1042, 1070, 1563, 1605, 2033, 2605, 3126, 3210, 4066, 5210, 6099, 7815, 9899, 10165, 12198, 15630, 19798, 20330, 29697, 30495, 49495, 55747, 59394, 60990, 98990, 111494, 148485, 167241, 278735, 296970, 334482, 557470, 836205, 1059193, 1672410, 2118386, 3177579, 5295965, 6355158, 10591930, 15887895, 31775790]

約数ペア:

[(1, 31775790), (2, 15887895), (3, 10591930), (5, 6355158), (6, 5295965), (10, 3177579), (15, 2118386), (19, 1672410), (30, 1059193), (38, 836205), (57, 557470), (95, 334482), (107, 296970), (114, 278735), (190, 167241), (214, 148485), (285, 111494), (321, 98990), (521, 60990), (535, 59394), (570, 55747), (642, 49495), (1042, 30495), (1070, 29697), (1563, 20330), (1605, 19798), (2033, 15630), (2605, 12198), (3126, 10165), (3210, 9899), (4066, 7815), (5210, 6099)]