264915680

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27143}}^1$

素因数の和:27219

約数の個数: 48

約数和(自身を含む): 636146784

約数和(自身を除く): 371231104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 27143, 54286, 108572, 135715, 217144, 271430, 434288, 542860, 868576, 1085720, 1655723, 2171440, 3311446, 4342880, 6622892, 8278615, 13245784, 16557230, 26491568, 33114460, 52983136, 66228920, 132457840, 264915680]

約数ペア:

[(1, 264915680), (2, 132457840), (4, 66228920), (5, 52983136), (8, 33114460), (10, 26491568), (16, 16557230), (20, 13245784), (32, 8278615), (40, 6622892), (61, 4342880), (80, 3311446), (122, 2171440), (160, 1655723), (244, 1085720), (305, 868576), (488, 542860), (610, 434288), (976, 271430), (1220, 217144), (1952, 135715), (2440, 108572), (4880, 54286), (9760, 27143)]