1321022480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{1571}}^1$

素因数の和:2064

約数の個数: 80

約数和(自身を含む): 3213972864

約数和(自身を除く): 1892950384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 457, 460, 914, 920, 1571, 1828, 1840, 2285, 3142, 3656, 4570, 6284, 7312, 7855, 9140, 10511, 12568, 15710, 18280, 21022, 25136, 31420, 36133, 36560, 42044, 52555, 62840, 72266, 84088, 105110, 125680, 144532, 168176, 180665, 210220, 289064, 361330, 420440, 578128, 717947, 722660, 840880, 1435894, 1445320, 2871788, 2890640, 3589735, 5743576, 7179470, 11487152, 14358940, 16512781, 28717880, 33025562, 57435760, 66051124, 82563905, 132102248, 165127810, 264204496, 330255620, 660511240, 1321022480]

約数ペア:

[(1, 1321022480), (2, 660511240), (4, 330255620), (5, 264204496), (8, 165127810), (10, 132102248), (16, 82563905), (20, 66051124), (23, 57435760), (40, 33025562), (46, 28717880), (80, 16512781), (92, 14358940), (115, 11487152), (184, 7179470), (230, 5743576), (368, 3589735), (457, 2890640), (460, 2871788), (914, 1445320), (920, 1435894), (1571, 840880), (1828, 722660), (1840, 717947), (2285, 578128), (3142, 420440), (3656, 361330), (4570, 289064), (6284, 210220), (7312, 180665), (7855, 168176), (9140, 144532), (10511, 125680), (12568, 105110), (15710, 84088), (18280, 72266), (21022, 62840), (25136, 52555), (31420, 42044), (36133, 36560)]