57723920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 140616000

約数和(自身を除く): 82892080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 139, 145, 179, 232, 278, 290, 358, 464, 556, 580, 695, 716, 895, 1112, 1160, 1390, 1432, 1790, 2224, 2320, 2780, 2864, 3580, 4031, 5191, 5560, 7160, 8062, 10382, 11120, 14320, 16124, 20155, 20764, 24881, 25955, 32248, 40310, 41528, 49762, 51910, 64496, 80620, 83056, 99524, 103820, 124405, 161240, 199048, 207640, 248810, 322480, 398096, 415280, 497620, 721549, 995240, 1443098, 1990480, 2886196, 3607745, 5772392, 7215490, 11544784, 14430980, 28861960, 57723920]

約数ペア:

[(1, 57723920), (2, 28861960), (4, 14430980), (5, 11544784), (8, 7215490), (10, 5772392), (16, 3607745), (20, 2886196), (29, 1990480), (40, 1443098), (58, 995240), (80, 721549), (116, 497620), (139, 415280), (145, 398096), (179, 322480), (232, 248810), (278, 207640), (290, 199048), (358, 161240), (464, 124405), (556, 103820), (580, 99524), (695, 83056), (716, 80620), (895, 64496), (1112, 51910), (1160, 49762), (1390, 41528), (1432, 40310), (1790, 32248), (2224, 25955), (2320, 24881), (2780, 20764), (2864, 20155), (3580, 16124), (4031, 14320), (5191, 11120), (5560, 10382), (7160, 8062)]