172461640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5437}}^1$

素因数の和:5522

約数の個数: 64

約数和(自身を含む): 424816560

約数和(自身を除く): 252354920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 5437, 6344, 7930, 10874, 15860, 21748, 27185, 31720, 43496, 54370, 70681, 108740, 141362, 217480, 282724, 331657, 353405, 565448, 663314, 706810, 1326628, 1413620, 1658285, 2653256, 2827240, 3316570, 4311541, 6633140, 8623082, 13266280, 17246164, 21557705, 34492328, 43115410, 86230820, 172461640]

約数ペア:

[(1, 172461640), (2, 86230820), (4, 43115410), (5, 34492328), (8, 21557705), (10, 17246164), (13, 13266280), (20, 8623082), (26, 6633140), (40, 4311541), (52, 3316570), (61, 2827240), (65, 2653256), (104, 1658285), (122, 1413620), (130, 1326628), (244, 706810), (260, 663314), (305, 565448), (488, 353405), (520, 331657), (610, 282724), (793, 217480), (1220, 141362), (1586, 108740), (2440, 70681), (3172, 54370), (3965, 43496), (5437, 31720), (6344, 27185), (7930, 21748), (10874, 15860)]