90645660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71941}}^1$

素因数の和:71963

約数の個数: 72

約数和(自身を含む): 314242656

約数和(自身を除く): 223596996

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, 71941, 143882, 215823, 287764, 359705, 431646, 503587, 647469, 719410, 863292, 1007174, 1079115, 1294938, 1438820, 1510761, 2014348, 2158230, 2517935, 2589876, 3021522, 3237345, 4316460, 4532283, 5035870, 6043044, 6474690, 7553805, 9064566, 10071740, 12949380, 15107610, 18129132, 22661415, 30215220, 45322830, 90645660]

約数ペア:

[(1, 90645660), (2, 45322830), (3, 30215220), (4, 22661415), (5, 18129132), (6, 15107610), (7, 12949380), (9, 10071740), (10, 9064566), (12, 7553805), (14, 6474690), (15, 6043044), (18, 5035870), (20, 4532283), (21, 4316460), (28, 3237345), (30, 3021522), (35, 2589876), (36, 2517935), (42, 2158230), (45, 2014348), (60, 1510761), (63, 1438820), (70, 1294938), (84, 1079115), (90, 1007174), (105, 863292), (126, 719410), (140, 647469), (180, 503587), (210, 431646), (252, 359705), (315, 287764), (420, 215823), (630, 143882), (1260, 71941)]