15025780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{887}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 39682944

約数和(自身を除く): 24657164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 887, 1210, 1540, 1694, 1774, 2420, 3388, 3548, 4235, 4435, 6209, 8470, 8870, 9757, 12418, 16940, 17740, 19514, 24836, 31045, 39028, 48785, 62090, 68299, 97570, 107327, 124180, 136598, 195140, 214654, 273196, 341495, 429308, 536635, 682990, 751289, 1073270, 1365980, 1502578, 2146540, 3005156, 3756445, 7512890, 15025780]

約数ペア:

[(1, 15025780), (2, 7512890), (4, 3756445), (5, 3005156), (7, 2146540), (10, 1502578), (11, 1365980), (14, 1073270), (20, 751289), (22, 682990), (28, 536635), (35, 429308), (44, 341495), (55, 273196), (70, 214654), (77, 195140), (110, 136598), (121, 124180), (140, 107327), (154, 97570), (220, 68299), (242, 62090), (308, 48785), (385, 39028), (484, 31045), (605, 24836), (770, 19514), (847, 17740), (887, 16940), (1210, 12418), (1540, 9757), (1694, 8870), (1774, 8470), (2420, 6209), (3388, 4435), (3548, 4235)]