261800880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1$

素因数の和:915

約数の個数: 160

約数和(自身を含む): 893299968

約数和(自身を除く): 631499088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 131, 132, 165, 176, 220, 240, 262, 264, 330, 393, 440, 524, 528, 655, 660, 757, 786, 880, 1048, 1310, 1320, 1441, 1514, 1572, 1965, 2096, 2271, 2620, 2640, 2882, 3028, 3144, 3785, 3930, 4323, 4542, 5240, 5764, 6056, 6288, 7205, 7570, 7860, 8327, 8646, 9084, 10480, 11355, 11528, 12112, 14410, 15140, 15720, 16654, 17292, 18168, 21615, 22710, 23056, 24981, 28820, 30280, 31440, 33308, 34584, 36336, 41635, 43230, 45420, 49962, 57640, 60560, 66616, 69168, 83270, 86460, 90840, 99167, 99924, 115280, 124905, 133232, 166540, 172920, 181680, 198334, 199848, 249810, 297501, 333080, 345840, 396668, 399696, 495835, 499620, 595002, 666160, 793336, 991670, 999240, 1090837, 1190004, 1487505, 1586672, 1983340, 1998480, 2181674, 2380008, 2975010, 3272511, 3966680, 4363348, 4760016, 5454185, 5950020, 6545022, 7933360, 8726696, 10908370, 11900040, 13090044, 16362555, 17453392, 21816740, 23800080, 26180088, 32725110, 43633480, 52360176, 65450220, 87266960, 130900440, 261800880]

約数ペア:

[(1, 261800880), (2, 130900440), (3, 87266960), (4, 65450220), (5, 52360176), (6, 43633480), (8, 32725110), (10, 26180088), (11, 23800080), (12, 21816740), (15, 17453392), (16, 16362555), (20, 13090044), (22, 11900040), (24, 10908370), (30, 8726696), (33, 7933360), (40, 6545022), (44, 5950020), (48, 5454185), (55, 4760016), (60, 4363348), (66, 3966680), (80, 3272511), (88, 2975010), (110, 2380008), (120, 2181674), (131, 1998480), (132, 1983340), (165, 1586672), (176, 1487505), (220, 1190004), (240, 1090837), (262, 999240), (264, 991670), (330, 793336), (393, 666160), (440, 595002), (524, 499620), (528, 495835), (655, 399696), (660, 396668), (757, 345840), (786, 333080), (880, 297501), (1048, 249810), (1310, 199848), (1320, 198334), (1441, 181680), (1514, 172920), (1572, 166540), (1965, 133232), (2096, 124905), (2271, 115280), (2620, 99924), (2640, 99167), (2882, 90840), (3028, 86460), (3144, 83270), (3785, 69168), (3930, 66616), (4323, 60560), (4542, 57640), (5240, 49962), (5764, 45420), (6056, 43230), (6288, 41635), (7205, 36336), (7570, 34584), (7860, 33308), (8327, 31440), (8646, 30280), (9084, 28820), (10480, 24981), (11355, 23056), (11528, 22710), (12112, 21615), (14410, 18168), (15140, 17292), (15720, 16654)]