680161976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1237}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 1460047680

約数和(自身を除く): 779885704

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 311, 442, 622, 884, 1237, 1244, 1768, 2474, 2488, 4043, 4948, 5287, 8086, 9896, 10574, 16081, 16172, 21029, 21148, 32162, 32344, 42058, 42296, 64324, 68731, 84116, 128648, 137462, 168232, 273377, 274924, 384707, 546754, 549848, 769414, 1093508, 1538828, 2187016, 3077656, 5001191, 6540019, 10002382, 13080038, 20004764, 26160076, 40009528, 52320152, 85020247, 170040494, 340080988, 680161976]

約数ペア:

[(1, 680161976), (2, 340080988), (4, 170040494), (8, 85020247), (13, 52320152), (17, 40009528), (26, 26160076), (34, 20004764), (52, 13080038), (68, 10002382), (104, 6540019), (136, 5001191), (221, 3077656), (311, 2187016), (442, 1538828), (622, 1093508), (884, 769414), (1237, 549848), (1244, 546754), (1768, 384707), (2474, 274924), (2488, 273377), (4043, 168232), (4948, 137462), (5287, 128648), (8086, 84116), (9896, 68731), (10574, 64324), (16081, 42296), (16172, 42058), (21029, 32344), (21148, 32162)]