31913820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1657}}^1$

素因数の和:1779

約数の個数: 72

約数和(自身を含む): 97768944

約数和(自身を除く): 65855124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1657, 1926, 2140, 3210, 3314, 3852, 4815, 4971, 6420, 6628, 8285, 9630, 9942, 14913, 16570, 19260, 19884, 24855, 29826, 33140, 49710, 59652, 74565, 99420, 149130, 177299, 298260, 354598, 531897, 709196, 886495, 1063794, 1595691, 1772990, 2127588, 2659485, 3191382, 3545980, 5318970, 6382764, 7978455, 10637940, 15956910, 31913820]

約数ペア:

[(1, 31913820), (2, 15956910), (3, 10637940), (4, 7978455), (5, 6382764), (6, 5318970), (9, 3545980), (10, 3191382), (12, 2659485), (15, 2127588), (18, 1772990), (20, 1595691), (30, 1063794), (36, 886495), (45, 709196), (60, 531897), (90, 354598), (107, 298260), (180, 177299), (214, 149130), (321, 99420), (428, 74565), (535, 59652), (642, 49710), (963, 33140), (1070, 29826), (1284, 24855), (1605, 19884), (1657, 19260), (1926, 16570), (2140, 14913), (3210, 9942), (3314, 9630), (3852, 8285), (4815, 6628), (4971, 6420)]