81518580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3167}}^1$

素因数の和:3206

約数の個数: 144

約数和(自身を含む): 290594304

約数和(自身を除く): 209075724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 3167, 4290, 5148, 6334, 6435, 8580, 9501, 12668, 12870, 15835, 19002, 25740, 28503, 31670, 34837, 38004, 41171, 47505, 57006, 63340, 69674, 82342, 95010, 104511, 114012, 123513, 139348, 142515, 164684, 174185, 190020, 205855, 209022, 247026, 285030, 313533, 348370, 370539, 411710, 418044, 452881, 494052, 522555, 570060, 617565, 627066, 696740, 741078, 823420, 905762, 1045110, 1235130, 1254132, 1358643, 1482156, 1567665, 1811524, 1852695, 2090220, 2264405, 2470260, 2717286, 3135330, 3705390, 4075929, 4528810, 5434572, 6270660, 6793215, 7410780, 8151858, 9057620, 13586430, 16303716, 20379645, 27172860, 40759290, 81518580]

約数ペア:

[(1, 81518580), (2, 40759290), (3, 27172860), (4, 20379645), (5, 16303716), (6, 13586430), (9, 9057620), (10, 8151858), (11, 7410780), (12, 6793215), (13, 6270660), (15, 5434572), (18, 4528810), (20, 4075929), (22, 3705390), (26, 3135330), (30, 2717286), (33, 2470260), (36, 2264405), (39, 2090220), (44, 1852695), (45, 1811524), (52, 1567665), (55, 1482156), (60, 1358643), (65, 1254132), (66, 1235130), (78, 1045110), (90, 905762), (99, 823420), (110, 741078), (117, 696740), (130, 627066), (132, 617565), (143, 570060), (156, 522555), (165, 494052), (180, 452881), (195, 418044), (198, 411710), (220, 370539), (234, 348370), (260, 313533), (286, 285030), (330, 247026), (390, 209022), (396, 205855), (429, 190020), (468, 174185), (495, 164684), (572, 142515), (585, 139348), (660, 123513), (715, 114012), (780, 104511), (858, 95010), (990, 82342), (1170, 69674), (1287, 63340), (1430, 57006), (1716, 47505), (1980, 41171), (2145, 38004), (2340, 34837), (2574, 31670), (2860, 28503), (3167, 25740), (4290, 19002), (5148, 15835), (6334, 12870), (6435, 12668), (8580, 9501)]