131286680

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{1367}}^1$

素因数の和:1406

約数の個数: 80

約数和(自身を含む): 344859120

約数和(自身を除く): 213572440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1367, 1372, 1715, 1960, 2401, 2734, 2744, 3430, 4802, 5468, 6835, 6860, 9569, 9604, 10936, 12005, 13670, 13720, 19138, 19208, 24010, 27340, 38276, 47845, 48020, 54680, 66983, 76552, 95690, 96040, 133966, 191380, 267932, 334915, 382760, 468881, 535864, 669830, 937762, 1339660, 1875524, 2344405, 2679320, 3282167, 3751048, 4688810, 6564334, 9377620, 13128668, 16410835, 18755240, 26257336, 32821670, 65643340, 131286680]

約数ペア:

[(1, 131286680), (2, 65643340), (4, 32821670), (5, 26257336), (7, 18755240), (8, 16410835), (10, 13128668), (14, 9377620), (20, 6564334), (28, 4688810), (35, 3751048), (40, 3282167), (49, 2679320), (56, 2344405), (70, 1875524), (98, 1339660), (140, 937762), (196, 669830), (245, 535864), (280, 468881), (343, 382760), (392, 334915), (490, 267932), (686, 191380), (980, 133966), (1367, 96040), (1372, 95690), (1715, 76552), (1960, 66983), (2401, 54680), (2734, 48020), (2744, 47845), (3430, 38276), (4802, 27340), (5468, 24010), (6835, 19208), (6860, 19138), (9569, 13720), (9604, 13670), (10936, 12005)]