12566280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 40953600

約数和(自身を除く): 28387320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 157, 174, 184, 230, 232, 276, 290, 314, 345, 348, 435, 460, 471, 552, 580, 628, 667, 690, 696, 785, 870, 920, 942, 1160, 1256, 1334, 1380, 1570, 1740, 1884, 2001, 2355, 2668, 2760, 3140, 3335, 3480, 3611, 3768, 4002, 4553, 4710, 5336, 6280, 6670, 7222, 8004, 9106, 9420, 10005, 10833, 13340, 13659, 14444, 16008, 18055, 18212, 18840, 20010, 21666, 22765, 26680, 27318, 28888, 36110, 36424, 40020, 43332, 45530, 54165, 54636, 68295, 72220, 80040, 86664, 91060, 104719, 108330, 109272, 136590, 144440, 182120, 209438, 216660, 273180, 314157, 418876, 433320, 523595, 546360, 628314, 837752, 1047190, 1256628, 1570785, 2094380, 2513256, 3141570, 4188760, 6283140, 12566280]

約数ペア:

[(1, 12566280), (2, 6283140), (3, 4188760), (4, 3141570), (5, 2513256), (6, 2094380), (8, 1570785), (10, 1256628), (12, 1047190), (15, 837752), (20, 628314), (23, 546360), (24, 523595), (29, 433320), (30, 418876), (40, 314157), (46, 273180), (58, 216660), (60, 209438), (69, 182120), (87, 144440), (92, 136590), (115, 109272), (116, 108330), (120, 104719), (138, 91060), (145, 86664), (157, 80040), (174, 72220), (184, 68295), (230, 54636), (232, 54165), (276, 45530), (290, 43332), (314, 40020), (345, 36424), (348, 36110), (435, 28888), (460, 27318), (471, 26680), (552, 22765), (580, 21666), (628, 20010), (667, 18840), (690, 18212), (696, 18055), (785, 16008), (870, 14444), (920, 13659), (942, 13340), (1160, 10833), (1256, 10005), (1334, 9420), (1380, 9106), (1570, 8004), (1740, 7222), (1884, 6670), (2001, 6280), (2355, 5336), (2668, 4710), (2760, 4553), (3140, 4002), (3335, 3768), (3480, 3611)]