131765920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 368559072

約数和(自身を除く): 236793152

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 169, 176, 208, 220, 260, 286, 338, 352, 416, 440, 443, 520, 572, 676, 715, 845, 880, 886, 1040, 1144, 1352, 1430, 1690, 1760, 1772, 1859, 2080, 2215, 2288, 2704, 2860, 3380, 3544, 3718, 4430, 4576, 4873, 5408, 5720, 5759, 6760, 7088, 7436, 8860, 9295, 9746, 11440, 11518, 13520, 14176, 14872, 17720, 18590, 19492, 22880, 23036, 24365, 27040, 28795, 29744, 35440, 37180, 38984, 46072, 48730, 57590, 59488, 63349, 70880, 74360, 74867, 77968, 92144, 97460, 115180, 126698, 148720, 149734, 155936, 184288, 194920, 230360, 253396, 297440, 299468, 316745, 374335, 389840, 460720, 506792, 598936, 633490, 748670, 779680, 823537, 921440, 1013584, 1197872, 1266980, 1497340, 1647074, 2027168, 2395744, 2533960, 2994680, 3294148, 4117685, 5067920, 5989360, 6588296, 8235370, 10135840, 11978720, 13176592, 16470740, 26353184, 32941480, 65882960, 131765920]

約数ペア:

[(1, 131765920), (2, 65882960), (4, 32941480), (5, 26353184), (8, 16470740), (10, 13176592), (11, 11978720), (13, 10135840), (16, 8235370), (20, 6588296), (22, 5989360), (26, 5067920), (32, 4117685), (40, 3294148), (44, 2994680), (52, 2533960), (55, 2395744), (65, 2027168), (80, 1647074), (88, 1497340), (104, 1266980), (110, 1197872), (130, 1013584), (143, 921440), (160, 823537), (169, 779680), (176, 748670), (208, 633490), (220, 598936), (260, 506792), (286, 460720), (338, 389840), (352, 374335), (416, 316745), (440, 299468), (443, 297440), (520, 253396), (572, 230360), (676, 194920), (715, 184288), (845, 155936), (880, 149734), (886, 148720), (1040, 126698), (1144, 115180), (1352, 97460), (1430, 92144), (1690, 77968), (1760, 74867), (1772, 74360), (1859, 70880), (2080, 63349), (2215, 59488), (2288, 57590), (2704, 48730), (2860, 46072), (3380, 38984), (3544, 37180), (3718, 35440), (4430, 29744), (4576, 28795), (4873, 27040), (5408, 24365), (5720, 23036), (5759, 22880), (6760, 19492), (7088, 18590), (7436, 17720), (8860, 14872), (9295, 14176), (9746, 13520), (11440, 11518)]