15888780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 48720672

約数和(自身を除く): 32831892

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, 857, 927, 1030, 1236, 1545, 1714, 1854, 2060, 2571, 3090, 3428, 3708, 4285, 4635, 5142, 6180, 7713, 8570, 9270, 10284, 12855, 15426, 17140, 18540, 25710, 30852, 38565, 51420, 77130, 88271, 154260, 176542, 264813, 353084, 441355, 529626, 794439, 882710, 1059252, 1324065, 1588878, 1765420, 2648130, 3177756, 3972195, 5296260, 7944390, 15888780]

約数ペア:

[(1, 15888780), (2, 7944390), (3, 5296260), (4, 3972195), (5, 3177756), (6, 2648130), (9, 1765420), (10, 1588878), (12, 1324065), (15, 1059252), (18, 882710), (20, 794439), (30, 529626), (36, 441355), (45, 353084), (60, 264813), (90, 176542), (103, 154260), (180, 88271), (206, 77130), (309, 51420), (412, 38565), (515, 30852), (618, 25710), (857, 18540), (927, 17140), (1030, 15426), (1236, 12855), (1545, 10284), (1714, 9270), (1854, 8570), (2060, 7713), (2571, 6180), (3090, 5142), (3428, 4635), (3708, 4285)]