31429980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{617}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 95829552

約数和(自身を除く): 64399572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 566, 617, 849, 1132, 1234, 1415, 1698, 1851, 2468, 2547, 2830, 3085, 3396, 3702, 4245, 5094, 5553, 5660, 6170, 7404, 8490, 9255, 10188, 11106, 12340, 12735, 16980, 18510, 22212, 25470, 27765, 37020, 50940, 55530, 111060, 174611, 349222, 523833, 698444, 873055, 1047666, 1571499, 1746110, 2095332, 2619165, 3142998, 3492220, 5238330, 6285996, 7857495, 10476660, 15714990, 31429980]

約数ペア:

[(1, 31429980), (2, 15714990), (3, 10476660), (4, 7857495), (5, 6285996), (6, 5238330), (9, 3492220), (10, 3142998), (12, 2619165), (15, 2095332), (18, 1746110), (20, 1571499), (30, 1047666), (36, 873055), (45, 698444), (60, 523833), (90, 349222), (180, 174611), (283, 111060), (566, 55530), (617, 50940), (849, 37020), (1132, 27765), (1234, 25470), (1415, 22212), (1698, 18510), (1851, 16980), (2468, 12735), (2547, 12340), (2830, 11106), (3085, 10188), (3396, 9255), (3702, 8490), (4245, 7404), (5094, 6170), (5553, 5660)]