121421580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{289099}}^1$

素因数の和:289118

約数の個数: 48

約数和(自身を含む): 388550400

約数和(自身を除く): 267128820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 289099, 578198, 867297, 1156396, 1445495, 1734594, 2023693, 2890990, 3469188, 4047386, 4336485, 5781980, 6071079, 8094772, 8672970, 10118465, 12142158, 17345940, 20236930, 24284316, 30355395, 40473860, 60710790, 121421580]

約数ペア:

[(1, 121421580), (2, 60710790), (3, 40473860), (4, 30355395), (5, 24284316), (6, 20236930), (7, 17345940), (10, 12142158), (12, 10118465), (14, 8672970), (15, 8094772), (20, 6071079), (21, 5781980), (28, 4336485), (30, 4047386), (35, 3469188), (42, 2890990), (60, 2023693), (70, 1734594), (84, 1445495), (105, 1156396), (140, 867297), (210, 578198), (420, 289099)]