9881580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1049}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 27871200

約数和(自身を除く): 17989620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1049, 1570, 1884, 2098, 2355, 3140, 3147, 4196, 4710, 5245, 6294, 9420, 10490, 12588, 15735, 20980, 31470, 62940, 164693, 329386, 494079, 658772, 823465, 988158, 1646930, 1976316, 2470395, 3293860, 4940790, 9881580]

約数ペア:

[(1, 9881580), (2, 4940790), (3, 3293860), (4, 2470395), (5, 1976316), (6, 1646930), (10, 988158), (12, 823465), (15, 658772), (20, 494079), (30, 329386), (60, 164693), (157, 62940), (314, 31470), (471, 20980), (628, 15735), (785, 12588), (942, 10490), (1049, 9420), (1570, 6294), (1884, 5245), (2098, 4710), (2355, 4196), (3140, 3147)]