90811980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{72073}}^1$

素因数の和:72095

約数の個数: 72

約数和(自身を含む): 314819232

約数和(自身を除く): 224007252

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, 72073, 144146, 216219, 288292, 360365, 432438, 504511, 648657, 720730, 864876, 1009022, 1081095, 1297314, 1441460, 1513533, 2018044, 2162190, 2522555, 2594628, 3027066, 3243285, 4324380, 4540599, 5045110, 6054132, 6486570, 7567665, 9081198, 10090220, 12973140, 15135330, 18162396, 22702995, 30270660, 45405990, 90811980]

約数ペア:

[(1, 90811980), (2, 45405990), (3, 30270660), (4, 22702995), (5, 18162396), (6, 15135330), (7, 12973140), (9, 10090220), (10, 9081198), (12, 7567665), (14, 6486570), (15, 6054132), (18, 5045110), (20, 4540599), (21, 4324380), (28, 3243285), (30, 3027066), (35, 2594628), (36, 2522555), (42, 2162190), (45, 2018044), (60, 1513533), (63, 1441460), (70, 1297314), (84, 1081095), (90, 1009022), (105, 864876), (126, 720730), (140, 648657), (180, 504511), (210, 432438), (252, 360365), (315, 288292), (420, 216219), (630, 144146), (1260, 72073)]