123567990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45263}}^1$

素因数の和:45293

約数の個数: 64

約数和(自身を含む): 365008896

約数和(自身を除く): 241440906

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 45263, 90526, 135789, 226315, 271578, 316841, 452630, 588419, 633682, 678945, 950523, 1176838, 1357890, 1584205, 1765257, 1901046, 2942095, 3168410, 3530514, 4118933, 4752615, 5884190, 8237866, 8826285, 9505230, 12356799, 17652570, 20594665, 24713598, 41189330, 61783995, 123567990]

約数ペア:

[(1, 123567990), (2, 61783995), (3, 41189330), (5, 24713598), (6, 20594665), (7, 17652570), (10, 12356799), (13, 9505230), (14, 8826285), (15, 8237866), (21, 5884190), (26, 4752615), (30, 4118933), (35, 3530514), (39, 3168410), (42, 2942095), (65, 1901046), (70, 1765257), (78, 1584205), (91, 1357890), (105, 1176838), (130, 950523), (182, 678945), (195, 633682), (210, 588419), (273, 452630), (390, 316841), (455, 271578), (546, 226315), (910, 135789), (1365, 90526), (2730, 45263)]