220296120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1063}}^1$

素因数の和:1245

約数の個数: 128

約数和(自身を含む): 726243840

約数和(自身を除く): 505947720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 157, 165, 220, 264, 314, 330, 440, 471, 628, 660, 785, 942, 1063, 1256, 1320, 1570, 1727, 1884, 2126, 2355, 3140, 3189, 3454, 3768, 4252, 4710, 5181, 5315, 6280, 6378, 6908, 8504, 8635, 9420, 10362, 10630, 11693, 12756, 13816, 15945, 17270, 18840, 20724, 21260, 23386, 25512, 25905, 31890, 34540, 35079, 41448, 42520, 46772, 51810, 58465, 63780, 69080, 70158, 93544, 103620, 116930, 127560, 140316, 166891, 175395, 207240, 233860, 280632, 333782, 350790, 467720, 500673, 667564, 701580, 834455, 1001346, 1335128, 1403160, 1668910, 1835801, 2002692, 2503365, 3337820, 3671602, 4005384, 5006730, 5507403, 6675640, 7343204, 9179005, 10013460, 11014806, 14686408, 18358010, 20026920, 22029612, 27537015, 36716020, 44059224, 55074030, 73432040, 110148060, 220296120]

約数ペア:

[(1, 220296120), (2, 110148060), (3, 73432040), (4, 55074030), (5, 44059224), (6, 36716020), (8, 27537015), (10, 22029612), (11, 20026920), (12, 18358010), (15, 14686408), (20, 11014806), (22, 10013460), (24, 9179005), (30, 7343204), (33, 6675640), (40, 5507403), (44, 5006730), (55, 4005384), (60, 3671602), (66, 3337820), (88, 2503365), (110, 2002692), (120, 1835801), (132, 1668910), (157, 1403160), (165, 1335128), (220, 1001346), (264, 834455), (314, 701580), (330, 667564), (440, 500673), (471, 467720), (628, 350790), (660, 333782), (785, 280632), (942, 233860), (1063, 207240), (1256, 175395), (1320, 166891), (1570, 140316), (1727, 127560), (1884, 116930), (2126, 103620), (2355, 93544), (3140, 70158), (3189, 69080), (3454, 63780), (3768, 58465), (4252, 51810), (4710, 46772), (5181, 42520), (5315, 41448), (6280, 35079), (6378, 34540), (6908, 31890), (8504, 25905), (8635, 25512), (9420, 23386), (10362, 21260), (10630, 20724), (11693, 18840), (12756, 17270), (13816, 15945)]