69818640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{691}}^1$

素因数の和:1128

約数の個数: 80

約数和(自身を含む): 217265856

約数和(自身を除く): 147447216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 691, 842, 1263, 1382, 1684, 2073, 2105, 2526, 2764, 3368, 3455, 4146, 4210, 5052, 5528, 6315, 6736, 6910, 8292, 8420, 10104, 10365, 11056, 12630, 13820, 16584, 16840, 20208, 20730, 25260, 27640, 33168, 33680, 41460, 50520, 55280, 82920, 101040, 165840, 290911, 581822, 872733, 1163644, 1454555, 1745466, 2327288, 2909110, 3490932, 4363665, 4654576, 5818220, 6981864, 8727330, 11636440, 13963728, 17454660, 23272880, 34909320, 69818640]

約数ペア:

[(1, 69818640), (2, 34909320), (3, 23272880), (4, 17454660), (5, 13963728), (6, 11636440), (8, 8727330), (10, 6981864), (12, 5818220), (15, 4654576), (16, 4363665), (20, 3490932), (24, 2909110), (30, 2327288), (40, 1745466), (48, 1454555), (60, 1163644), (80, 872733), (120, 581822), (240, 290911), (421, 165840), (691, 101040), (842, 82920), (1263, 55280), (1382, 50520), (1684, 41460), (2073, 33680), (2105, 33168), (2526, 27640), (2764, 25260), (3368, 20730), (3455, 20208), (4146, 16840), (4210, 16584), (5052, 13820), (5528, 12630), (6315, 11056), (6736, 10365), (6910, 10104), (8292, 8420)]