71850660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{24439}}^1$

素因数の和:24465

約数の個数: 72

約数和(自身を含む): 234037440

約数和(自身を除く): 162186780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 24439, 48878, 73317, 97756, 122195, 146634, 171073, 244390, 293268, 342146, 366585, 488780, 513219, 684292, 733170, 855365, 1026438, 1197511, 1466340, 1710730, 2052876, 2395022, 2566095, 3421460, 3592533, 4790044, 5132190, 5987555, 7185066, 10264380, 11975110, 14370132, 17962665, 23950220, 35925330, 71850660]

約数ペア:

[(1, 71850660), (2, 35925330), (3, 23950220), (4, 17962665), (5, 14370132), (6, 11975110), (7, 10264380), (10, 7185066), (12, 5987555), (14, 5132190), (15, 4790044), (20, 3592533), (21, 3421460), (28, 2566095), (30, 2395022), (35, 2052876), (42, 1710730), (49, 1466340), (60, 1197511), (70, 1026438), (84, 855365), (98, 733170), (105, 684292), (140, 513219), (147, 488780), (196, 366585), (210, 342146), (245, 293268), (294, 244390), (420, 171073), (490, 146634), (588, 122195), (735, 97756), (980, 73317), (1470, 48878), (2940, 24439)]