30965940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2423}}^1$

素因数の和:2509

約数の個数: 72

約数和(自身を含む): 95292288

約数和(自身を除く): 64326348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2423, 2556, 3195, 4260, 4846, 6390, 7269, 9692, 12115, 12780, 14538, 21807, 24230, 29076, 36345, 43614, 48460, 72690, 87228, 109035, 145380, 172033, 218070, 344066, 436140, 516099, 688132, 860165, 1032198, 1548297, 1720330, 2064396, 2580495, 3096594, 3440660, 5160990, 6193188, 7741485, 10321980, 15482970, 30965940]

約数ペア:

[(1, 30965940), (2, 15482970), (3, 10321980), (4, 7741485), (5, 6193188), (6, 5160990), (9, 3440660), (10, 3096594), (12, 2580495), (15, 2064396), (18, 1720330), (20, 1548297), (30, 1032198), (36, 860165), (45, 688132), (60, 516099), (71, 436140), (90, 344066), (142, 218070), (180, 172033), (213, 145380), (284, 109035), (355, 87228), (426, 72690), (639, 48460), (710, 43614), (852, 36345), (1065, 29076), (1278, 24230), (1420, 21807), (2130, 14538), (2423, 12780), (2556, 12115), (3195, 9692), (4260, 7269), (4846, 6390)]