51125940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{647}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 155675520

約数和(自身を除く): 104549580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 647, 878, 1294, 1317, 1756, 1941, 2195, 2588, 2634, 3235, 3882, 3951, 4390, 5268, 5823, 6470, 6585, 7764, 7902, 8780, 9705, 11646, 12940, 13170, 15804, 19410, 19755, 23292, 26340, 29115, 38820, 39510, 58230, 79020, 116460, 284033, 568066, 852099, 1136132, 1420165, 1704198, 2556297, 2840330, 3408396, 4260495, 5112594, 5680660, 8520990, 10225188, 12781485, 17041980, 25562970, 51125940]

約数ペア:

[(1, 51125940), (2, 25562970), (3, 17041980), (4, 12781485), (5, 10225188), (6, 8520990), (9, 5680660), (10, 5112594), (12, 4260495), (15, 3408396), (18, 2840330), (20, 2556297), (30, 1704198), (36, 1420165), (45, 1136132), (60, 852099), (90, 568066), (180, 284033), (439, 116460), (647, 79020), (878, 58230), (1294, 39510), (1317, 38820), (1756, 29115), (1941, 26340), (2195, 23292), (2588, 19755), (2634, 19410), (3235, 15804), (3882, 13170), (3951, 12940), (4390, 11646), (5268, 9705), (5823, 8780), (6470, 7902), (6585, 7764)]