15221340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 46676448

約数和(自身を除く): 31455108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 821, 927, 1030, 1236, 1545, 1642, 1854, 2060, 2463, 3090, 3284, 3708, 4105, 4635, 4926, 6180, 7389, 8210, 9270, 9852, 12315, 14778, 16420, 18540, 24630, 29556, 36945, 49260, 73890, 84563, 147780, 169126, 253689, 338252, 422815, 507378, 761067, 845630, 1014756, 1268445, 1522134, 1691260, 2536890, 3044268, 3805335, 5073780, 7610670, 15221340]

約数ペア:

[(1, 15221340), (2, 7610670), (3, 5073780), (4, 3805335), (5, 3044268), (6, 2536890), (9, 1691260), (10, 1522134), (12, 1268445), (15, 1014756), (18, 845630), (20, 761067), (30, 507378), (36, 422815), (45, 338252), (60, 253689), (90, 169126), (103, 147780), (180, 84563), (206, 73890), (309, 49260), (412, 36945), (515, 29556), (618, 24630), (821, 18540), (927, 16420), (1030, 14778), (1236, 12315), (1545, 9852), (1642, 9270), (1854, 8210), (2060, 7389), (2463, 6180), (3090, 4926), (3284, 4635), (3708, 4105)]