12895020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 39705120

約数和(自身を除く): 26810100

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, 1009, 1065, 1278, 1420, 2018, 2130, 2556, 3027, 3195, 4036, 4260, 5045, 6054, 6390, 9081, 10090, 12108, 12780, 15135, 18162, 20180, 30270, 36324, 45405, 60540, 71639, 90810, 143278, 181620, 214917, 286556, 358195, 429834, 644751, 716390, 859668, 1074585, 1289502, 1432780, 2149170, 2579004, 3223755, 4298340, 6447510, 12895020]

約数ペア:

[(1, 12895020), (2, 6447510), (3, 4298340), (4, 3223755), (5, 2579004), (6, 2149170), (9, 1432780), (10, 1289502), (12, 1074585), (15, 859668), (18, 716390), (20, 644751), (30, 429834), (36, 358195), (45, 286556), (60, 214917), (71, 181620), (90, 143278), (142, 90810), (180, 71639), (213, 60540), (284, 45405), (355, 36324), (426, 30270), (639, 20180), (710, 18162), (852, 15135), (1009, 12780), (1065, 12108), (1278, 10090), (1420, 9081), (2018, 6390), (2130, 6054), (2556, 5045), (3027, 4260), (3195, 4036)]