2561926455

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:878

約数の個数: 128

約数和(自身を含む): 5186903040

約数和(自身を除く): 2624976585

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 43, 45, 53, 55, 99, 129, 135, 159, 165, 215, 265, 297, 387, 473, 477, 495, 583, 645, 757, 795, 1161, 1419, 1431, 1485, 1749, 1935, 2271, 2279, 2365, 2385, 2915, 3785, 4257, 5247, 5805, 6813, 6837, 7095, 7155, 8327, 8745, 11355, 11395, 12771, 15741, 20439, 20511, 21285, 24981, 25069, 26235, 32551, 34065, 34185, 40121, 41635, 61533, 63855, 74943, 75207, 78705, 97653, 102195, 102555, 120363, 124905, 125345, 162755, 200605, 224829, 225621, 292959, 307665, 358061, 361089, 374715, 376035, 441331, 488265, 601815, 676863, 878877, 1074183, 1083267, 1124145, 1128105, 1323993, 1464795, 1725203, 1790305, 1805445, 2206655, 3222549, 3384315, 3971979, 4394385, 5175609, 5370915, 5416335, 6619965, 8626015, 9667647, 11915937, 15526827, 16112745, 18977233, 19859895, 25878045, 46580481, 48338235, 56931699, 59579685, 77634135, 94886165, 170795097, 232902405, 284658495, 512385291, 853975485, 2561926455]

約数ペア:

[(1, 2561926455), (3, 853975485), (5, 512385291), (9, 284658495), (11, 232902405), (15, 170795097), (27, 94886165), (33, 77634135), (43, 59579685), (45, 56931699), (53, 48338235), (55, 46580481), (99, 25878045), (129, 19859895), (135, 18977233), (159, 16112745), (165, 15526827), (215, 11915937), (265, 9667647), (297, 8626015), (387, 6619965), (473, 5416335), (477, 5370915), (495, 5175609), (583, 4394385), (645, 3971979), (757, 3384315), (795, 3222549), (1161, 2206655), (1419, 1805445), (1431, 1790305), (1485, 1725203), (1749, 1464795), (1935, 1323993), (2271, 1128105), (2279, 1124145), (2365, 1083267), (2385, 1074183), (2915, 878877), (3785, 676863), (4257, 601815), (5247, 488265), (5805, 441331), (6813, 376035), (6837, 374715), (7095, 361089), (7155, 358061), (8327, 307665), (8745, 292959), (11355, 225621), (11395, 224829), (12771, 200605), (15741, 162755), (20439, 125345), (20511, 124905), (21285, 120363), (24981, 102555), (25069, 102195), (26235, 97653), (32551, 78705), (34065, 75207), (34185, 74943), (40121, 63855), (41635, 61533)]