12640455

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 24088680

約数和(自身を除く): 11448225

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 59, 69, 81, 115, 135, 177, 207, 295, 345, 405, 529, 531, 621, 885, 1035, 1357, 1587, 1593, 1863, 2645, 2655, 3105, 4071, 4761, 4779, 6785, 7935, 7965, 9315, 12213, 14283, 20355, 23805, 23895, 31211, 36639, 42849, 61065, 71415, 93633, 109917, 156055, 183195, 214245, 280899, 468165, 549585, 842697, 1404495, 2528091, 4213485, 12640455]

約数ペア:

[(1, 12640455), (3, 4213485), (5, 2528091), (9, 1404495), (15, 842697), (23, 549585), (27, 468165), (45, 280899), (59, 214245), (69, 183195), (81, 156055), (115, 109917), (135, 93633), (177, 71415), (207, 61065), (295, 42849), (345, 36639), (405, 31211), (529, 23895), (531, 23805), (621, 20355), (885, 14283), (1035, 12213), (1357, 9315), (1587, 7965), (1593, 7935), (1863, 6785), (2645, 4779), (2655, 4761), (3105, 4071)]