131478760

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{37}}^2$

素因数の和:113

約数の個数: 120

約数和(自身を含む): 354690630

約数和(自身を除く): 223211870

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 343, 370, 392, 490, 518, 686, 740, 980, 1036, 1295, 1369, 1372, 1480, 1715, 1813, 1960, 2072, 2401, 2590, 2738, 2744, 3430, 3626, 4802, 5180, 5476, 6845, 6860, 7252, 9065, 9583, 9604, 10360, 10952, 12005, 12691, 13690, 13720, 14504, 18130, 19166, 19208, 24010, 25382, 27380, 36260, 38332, 47915, 48020, 50764, 54760, 63455, 67081, 72520, 76664, 88837, 95830, 96040, 101528, 126910, 134162, 177674, 191660, 253820, 268324, 335405, 355348, 383320, 444185, 469567, 507640, 536648, 670810, 710696, 888370, 939134, 1341620, 1776740, 1878268, 2347835, 2683240, 3286969, 3553480, 3756536, 4695670, 6573938, 9391340, 13147876, 16434845, 18782680, 26295752, 32869690, 65739380, 131478760]

約数ペア:

[(1, 131478760), (2, 65739380), (4, 32869690), (5, 26295752), (7, 18782680), (8, 16434845), (10, 13147876), (14, 9391340), (20, 6573938), (28, 4695670), (35, 3756536), (37, 3553480), (40, 3286969), (49, 2683240), (56, 2347835), (70, 1878268), (74, 1776740), (98, 1341620), (140, 939134), (148, 888370), (185, 710696), (196, 670810), (245, 536648), (259, 507640), (280, 469567), (296, 444185), (343, 383320), (370, 355348), (392, 335405), (490, 268324), (518, 253820), (686, 191660), (740, 177674), (980, 134162), (1036, 126910), (1295, 101528), (1369, 96040), (1372, 95830), (1480, 88837), (1715, 76664), (1813, 72520), (1960, 67081), (2072, 63455), (2401, 54760), (2590, 50764), (2738, 48020), (2744, 47915), (3430, 38332), (3626, 36260), (4802, 27380), (5180, 25382), (5476, 24010), (6845, 19208), (6860, 19166), (7252, 18130), (9065, 14504), (9583, 13720), (9604, 13690), (10360, 12691), (10952, 12005)]