28472760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 93366000

約数和(自身を除く): 64893240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 556, 569, 695, 834, 1112, 1138, 1251, 1390, 1668, 1707, 2085, 2276, 2502, 2780, 2845, 3336, 3414, 4170, 4552, 5004, 5121, 5560, 5690, 6255, 6828, 8340, 8535, 10008, 10242, 11380, 12510, 13656, 16680, 17070, 20484, 22760, 25020, 25605, 34140, 40968, 50040, 51210, 68280, 79091, 102420, 158182, 204840, 237273, 316364, 395455, 474546, 632728, 711819, 790910, 949092, 1186365, 1423638, 1581820, 1898184, 2372730, 2847276, 3163640, 3559095, 4745460, 5694552, 7118190, 9490920, 14236380, 28472760]

約数ペア:

[(1, 28472760), (2, 14236380), (3, 9490920), (4, 7118190), (5, 5694552), (6, 4745460), (8, 3559095), (9, 3163640), (10, 2847276), (12, 2372730), (15, 1898184), (18, 1581820), (20, 1423638), (24, 1186365), (30, 949092), (36, 790910), (40, 711819), (45, 632728), (60, 474546), (72, 395455), (90, 316364), (120, 237273), (139, 204840), (180, 158182), (278, 102420), (360, 79091), (417, 68280), (556, 51210), (569, 50040), (695, 40968), (834, 34140), (1112, 25605), (1138, 25020), (1251, 22760), (1390, 20484), (1668, 17070), (1707, 16680), (2085, 13656), (2276, 12510), (2502, 11380), (2780, 10242), (2845, 10008), (3336, 8535), (3414, 8340), (4170, 6828), (4552, 6255), (5004, 5690), (5121, 5560)]