280663668

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2267}}^1$

素因数の和:2477

約数の個数: 72

約数和(自身を含む): 751252320

約数和(自身を除く): 470588652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 181, 228, 342, 362, 543, 684, 724, 1086, 1629, 2172, 2267, 3258, 3439, 4534, 6516, 6801, 6878, 9068, 10317, 13602, 13756, 20403, 20634, 27204, 30951, 40806, 41268, 43073, 61902, 81612, 86146, 123804, 129219, 172292, 258438, 387657, 410327, 516876, 775314, 820654, 1230981, 1550628, 1641308, 2461962, 3692943, 4923924, 7385886, 7796213, 14771772, 15592426, 23388639, 31184852, 46777278, 70165917, 93554556, 140331834, 280663668]

約数ペア:

[(1, 280663668), (2, 140331834), (3, 93554556), (4, 70165917), (6, 46777278), (9, 31184852), (12, 23388639), (18, 15592426), (19, 14771772), (36, 7796213), (38, 7385886), (57, 4923924), (76, 3692943), (114, 2461962), (171, 1641308), (181, 1550628), (228, 1230981), (342, 820654), (362, 775314), (543, 516876), (684, 410327), (724, 387657), (1086, 258438), (1629, 172292), (2172, 129219), (2267, 123804), (3258, 86146), (3439, 81612), (4534, 61902), (6516, 43073), (6801, 41268), (6878, 40806), (9068, 30951), (10317, 27204), (13602, 20634), (13756, 20403)]