15211980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12073}}^1$

素因数の和:12095

約数の個数: 72

約数和(自身を含む): 52739232

約数和(自身を除く): 37527252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12073, 24146, 36219, 48292, 60365, 72438, 84511, 108657, 120730, 144876, 169022, 181095, 217314, 241460, 253533, 338044, 362190, 422555, 434628, 507066, 543285, 724380, 760599, 845110, 1014132, 1086570, 1267665, 1521198, 1690220, 2173140, 2535330, 3042396, 3802995, 5070660, 7605990, 15211980]

約数ペア:

[(1, 15211980), (2, 7605990), (3, 5070660), (4, 3802995), (5, 3042396), (6, 2535330), (7, 2173140), (9, 1690220), (10, 1521198), (12, 1267665), (14, 1086570), (15, 1014132), (18, 845110), (20, 760599), (21, 724380), (28, 543285), (30, 507066), (35, 434628), (36, 422555), (42, 362190), (45, 338044), (60, 253533), (63, 241460), (70, 217314), (84, 181095), (90, 169022), (105, 144876), (126, 120730), (140, 108657), (180, 84511), (210, 72438), (252, 60365), (315, 48292), (420, 36219), (630, 24146), (1260, 12073)]