12909540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{4391}}^1$

素因数の和:4417

約数の個数: 72

約数和(自身を含む): 42057792

約数和(自身を除く): 29148252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 4391, 8782, 13173, 17564, 21955, 26346, 30737, 43910, 52692, 61474, 65865, 87820, 92211, 122948, 131730, 153685, 184422, 215159, 263460, 307370, 368844, 430318, 461055, 614740, 645477, 860636, 922110, 1075795, 1290954, 1844220, 2151590, 2581908, 3227385, 4303180, 6454770, 12909540]

約数ペア:

[(1, 12909540), (2, 6454770), (3, 4303180), (4, 3227385), (5, 2581908), (6, 2151590), (7, 1844220), (10, 1290954), (12, 1075795), (14, 922110), (15, 860636), (20, 645477), (21, 614740), (28, 461055), (30, 430318), (35, 368844), (42, 307370), (49, 263460), (60, 215159), (70, 184422), (84, 153685), (98, 131730), (105, 122948), (140, 92211), (147, 87820), (196, 65865), (210, 61474), (245, 52692), (294, 43910), (420, 30737), (490, 26346), (588, 21955), (735, 17564), (980, 13173), (1470, 8782), (2940, 4391)]