320475480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205433}}^1$

素因数の和:205460

約数の個数: 64

約数和(自身を含む): 1035387360

約数和(自身を除く): 714911880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 205433, 410866, 616299, 821732, 1027165, 1232598, 1643464, 2054330, 2465196, 2670629, 3081495, 4108660, 4930392, 5341258, 6162990, 8011887, 8217320, 10682516, 12325980, 13353145, 16023774, 21365032, 24651960, 26706290, 32047548, 40059435, 53412580, 64095096, 80118870, 106825160, 160237740, 320475480]

約数ペア:

[(1, 320475480), (2, 160237740), (3, 106825160), (4, 80118870), (5, 64095096), (6, 53412580), (8, 40059435), (10, 32047548), (12, 26706290), (13, 24651960), (15, 21365032), (20, 16023774), (24, 13353145), (26, 12325980), (30, 10682516), (39, 8217320), (40, 8011887), (52, 6162990), (60, 5341258), (65, 4930392), (78, 4108660), (104, 3081495), (120, 2670629), (130, 2465196), (156, 2054330), (195, 1643464), (260, 1232598), (312, 1027165), (390, 821732), (520, 616299), (780, 410866), (1560, 205433)]