131359360

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:474

約数の個数: 128

約数和(自身を含む): 350749440

約数和(自身を除く): 219390080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 128, 160, 176, 188, 220, 235, 320, 352, 376, 397, 440, 470, 517, 640, 704, 752, 794, 880, 940, 1034, 1408, 1504, 1588, 1760, 1880, 1985, 2068, 2585, 3008, 3176, 3520, 3760, 3970, 4136, 4367, 5170, 6016, 6352, 7040, 7520, 7940, 8272, 8734, 10340, 12704, 15040, 15880, 16544, 17468, 18659, 20680, 21835, 25408, 30080, 31760, 33088, 34936, 37318, 41360, 43670, 50816, 63520, 66176, 69872, 74636, 82720, 87340, 93295, 127040, 139744, 149272, 165440, 174680, 186590, 205249, 254080, 279488, 298544, 330880, 349360, 373180, 410498, 558976, 597088, 698720, 746360, 820996, 1026245, 1194176, 1397440, 1492720, 1641992, 2052490, 2388352, 2794880, 2985440, 3283984, 4104980, 5970880, 6567968, 8209960, 11941760, 13135936, 16419920, 26271872, 32839840, 65679680, 131359360]

約数ペア:

[(1, 131359360), (2, 65679680), (4, 32839840), (5, 26271872), (8, 16419920), (10, 13135936), (11, 11941760), (16, 8209960), (20, 6567968), (22, 5970880), (32, 4104980), (40, 3283984), (44, 2985440), (47, 2794880), (55, 2388352), (64, 2052490), (80, 1641992), (88, 1492720), (94, 1397440), (110, 1194176), (128, 1026245), (160, 820996), (176, 746360), (188, 698720), (220, 597088), (235, 558976), (320, 410498), (352, 373180), (376, 349360), (397, 330880), (440, 298544), (470, 279488), (517, 254080), (640, 205249), (704, 186590), (752, 174680), (794, 165440), (880, 149272), (940, 139744), (1034, 127040), (1408, 93295), (1504, 87340), (1588, 82720), (1760, 74636), (1880, 69872), (1985, 66176), (2068, 63520), (2585, 50816), (3008, 43670), (3176, 41360), (3520, 37318), (3760, 34936), (3970, 33088), (4136, 31760), (4367, 30080), (5170, 25408), (6016, 21835), (6352, 20680), (7040, 18659), (7520, 17468), (7940, 16544), (8272, 15880), (8734, 15040), (10340, 12704)]