661731570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{253537}}^1$

素因数の和:253579

約数の個数: 48

約数和(自身を含む): 1779836760

約数和(自身を除く): 1118105190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 253537, 507074, 760611, 1267685, 1521222, 2281833, 2535370, 3803055, 4563666, 7352573, 7606110, 11409165, 14705146, 22057719, 22818330, 36762865, 44115438, 66173157, 73525730, 110288595, 132346314, 220577190, 330865785, 661731570]

約数ペア:

[(1, 661731570), (2, 330865785), (3, 220577190), (5, 132346314), (6, 110288595), (9, 73525730), (10, 66173157), (15, 44115438), (18, 36762865), (29, 22818330), (30, 22057719), (45, 14705146), (58, 11409165), (87, 7606110), (90, 7352573), (145, 4563666), (174, 3803055), (261, 2535370), (290, 2281833), (435, 1521222), (522, 1267685), (870, 760611), (1305, 507074), (2610, 253537)]