12554220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 40836096

約数和(自身を除く): 28281876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 421, 426, 497, 710, 842, 852, 994, 1065, 1263, 1420, 1491, 1684, 1988, 2105, 2130, 2485, 2526, 2947, 2982, 4210, 4260, 4970, 5052, 5894, 5964, 6315, 7455, 8420, 8841, 9940, 11788, 12630, 14735, 14910, 17682, 25260, 29470, 29820, 29891, 35364, 44205, 58940, 59782, 88410, 89673, 119564, 149455, 176820, 179346, 209237, 298910, 358692, 418474, 448365, 597820, 627711, 836948, 896730, 1046185, 1255422, 1793460, 2092370, 2510844, 3138555, 4184740, 6277110, 12554220]

約数ペア:

[(1, 12554220), (2, 6277110), (3, 4184740), (4, 3138555), (5, 2510844), (6, 2092370), (7, 1793460), (10, 1255422), (12, 1046185), (14, 896730), (15, 836948), (20, 627711), (21, 597820), (28, 448365), (30, 418474), (35, 358692), (42, 298910), (60, 209237), (70, 179346), (71, 176820), (84, 149455), (105, 119564), (140, 89673), (142, 88410), (210, 59782), (213, 58940), (284, 44205), (355, 35364), (420, 29891), (421, 29820), (426, 29470), (497, 25260), (710, 17682), (842, 14910), (852, 14735), (994, 12630), (1065, 11788), (1263, 9940), (1420, 8841), (1491, 8420), (1684, 7455), (1988, 6315), (2105, 5964), (2130, 5894), (2485, 5052), (2526, 4970), (2947, 4260), (2982, 4210)]