15993840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:766

約数の個数: 80

約数和(自身を含む): 50139648

約数和(自身を除く): 34145808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 647, 824, 1030, 1236, 1294, 1545, 1648, 1941, 2060, 2472, 2588, 3090, 3235, 3882, 4120, 4944, 5176, 6180, 6470, 7764, 8240, 9705, 10352, 12360, 12940, 15528, 19410, 24720, 25880, 31056, 38820, 51760, 66641, 77640, 133282, 155280, 199923, 266564, 333205, 399846, 533128, 666410, 799692, 999615, 1066256, 1332820, 1599384, 1999230, 2665640, 3198768, 3998460, 5331280, 7996920, 15993840]

約数ペア:

[(1, 15993840), (2, 7996920), (3, 5331280), (4, 3998460), (5, 3198768), (6, 2665640), (8, 1999230), (10, 1599384), (12, 1332820), (15, 1066256), (16, 999615), (20, 799692), (24, 666410), (30, 533128), (40, 399846), (48, 333205), (60, 266564), (80, 199923), (103, 155280), (120, 133282), (206, 77640), (240, 66641), (309, 51760), (412, 38820), (515, 31056), (618, 25880), (647, 24720), (824, 19410), (1030, 15528), (1236, 12940), (1294, 12360), (1545, 10352), (1648, 9705), (1941, 8240), (2060, 7764), (2472, 6470), (2588, 6180), (3090, 5176), (3235, 4944), (3882, 4120)]