147654640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{5381}}^1$

素因数の和:5415

約数の個数: 80

約数和(自身を含む): 400420800

約数和(自身を除く): 252766160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5381, 5488, 6860, 10762, 13720, 21524, 26905, 27440, 37667, 43048, 53810, 75334, 86096, 107620, 150668, 188335, 215240, 263669, 301336, 376670, 430480, 527338, 602672, 753340, 1054676, 1318345, 1506680, 1845683, 2109352, 2636690, 3013360, 3691366, 4218704, 5273380, 7382732, 9228415, 10546760, 14765464, 18456830, 21093520, 29530928, 36913660, 73827320, 147654640]

約数ペア:

[(1, 147654640), (2, 73827320), (4, 36913660), (5, 29530928), (7, 21093520), (8, 18456830), (10, 14765464), (14, 10546760), (16, 9228415), (20, 7382732), (28, 5273380), (35, 4218704), (40, 3691366), (49, 3013360), (56, 2636690), (70, 2109352), (80, 1845683), (98, 1506680), (112, 1318345), (140, 1054676), (196, 753340), (245, 602672), (280, 527338), (343, 430480), (392, 376670), (490, 301336), (560, 263669), (686, 215240), (784, 188335), (980, 150668), (1372, 107620), (1715, 86096), (1960, 75334), (2744, 53810), (3430, 43048), (3920, 37667), (5381, 27440), (5488, 26905), (6860, 21524), (10762, 13720)]