31442940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{569}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 95855760

約数和(自身を除く): 64412820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 569, 614, 921, 1138, 1228, 1535, 1707, 1842, 2276, 2763, 2845, 3070, 3414, 3684, 4605, 5121, 5526, 5690, 6140, 6828, 8535, 9210, 10242, 11052, 11380, 13815, 17070, 18420, 20484, 25605, 27630, 34140, 51210, 55260, 102420, 174683, 349366, 524049, 698732, 873415, 1048098, 1572147, 1746830, 2096196, 2620245, 3144294, 3493660, 5240490, 6288588, 7860735, 10480980, 15721470, 31442940]

約数ペア:

[(1, 31442940), (2, 15721470), (3, 10480980), (4, 7860735), (5, 6288588), (6, 5240490), (9, 3493660), (10, 3144294), (12, 2620245), (15, 2096196), (18, 1746830), (20, 1572147), (30, 1048098), (36, 873415), (45, 698732), (60, 524049), (90, 349366), (180, 174683), (307, 102420), (569, 55260), (614, 51210), (921, 34140), (1138, 27630), (1228, 25605), (1535, 20484), (1707, 18420), (1842, 17070), (2276, 13815), (2763, 11380), (2845, 11052), (3070, 10242), (3414, 9210), (3684, 8535), (4605, 6828), (5121, 6140), (5526, 5690)]