281770740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5099}}^1$

素因数の和:5421

約数の個数: 72

約数和(自身を含む): 857656800

約数和(自身を除く): 575886060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1535, 1842, 2763, 3070, 3684, 4605, 5099, 5526, 6140, 9210, 10198, 11052, 13815, 15297, 18420, 20396, 25495, 27630, 30594, 45891, 50990, 55260, 61188, 76485, 91782, 101980, 152970, 183564, 229455, 305940, 458910, 917820, 1565393, 3130786, 4696179, 6261572, 7826965, 9392358, 14088537, 15653930, 18784716, 23480895, 28177074, 31307860, 46961790, 56354148, 70442685, 93923580, 140885370, 281770740]

約数ペア:

[(1, 281770740), (2, 140885370), (3, 93923580), (4, 70442685), (5, 56354148), (6, 46961790), (9, 31307860), (10, 28177074), (12, 23480895), (15, 18784716), (18, 15653930), (20, 14088537), (30, 9392358), (36, 7826965), (45, 6261572), (60, 4696179), (90, 3130786), (180, 1565393), (307, 917820), (614, 458910), (921, 305940), (1228, 229455), (1535, 183564), (1842, 152970), (2763, 101980), (3070, 91782), (3684, 76485), (4605, 61188), (5099, 55260), (5526, 50990), (6140, 45891), (9210, 30594), (10198, 27630), (11052, 25495), (13815, 20396), (15297, 18420)]