171265820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 439193664

約数和(自身を除く): 267927844

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 121, 170, 181, 187, 220, 230, 242, 253, 340, 362, 374, 391, 460, 484, 506, 605, 724, 748, 782, 905, 935, 1012, 1210, 1265, 1564, 1810, 1870, 1955, 1991, 2057, 2420, 2530, 2783, 3077, 3620, 3740, 3910, 3982, 4114, 4163, 4301, 5060, 5566, 6154, 7820, 7964, 8228, 8326, 8602, 9955, 10285, 11132, 12308, 13915, 15385, 16652, 17204, 19910, 20570, 20815, 21505, 21901, 27830, 30770, 33847, 39820, 41140, 41630, 43010, 43802, 45793, 47311, 55660, 61540, 67694, 70771, 83260, 86020, 87604, 91586, 94622, 109505, 135388, 141542, 169235, 183172, 189244, 219010, 228965, 236555, 283084, 338470, 353855, 372317, 438020, 457930, 473110, 503723, 676940, 707710, 744634, 778481, 915860, 946220, 1007446, 1415420, 1489268, 1556962, 1861585, 2014892, 2518615, 3113924, 3723170, 3892405, 5037230, 7446340, 7784810, 8563291, 10074460, 15569620, 17126582, 34253164, 42816455, 85632910, 171265820]

約数ペア:

[(1, 171265820), (2, 85632910), (4, 42816455), (5, 34253164), (10, 17126582), (11, 15569620), (17, 10074460), (20, 8563291), (22, 7784810), (23, 7446340), (34, 5037230), (44, 3892405), (46, 3723170), (55, 3113924), (68, 2518615), (85, 2014892), (92, 1861585), (110, 1556962), (115, 1489268), (121, 1415420), (170, 1007446), (181, 946220), (187, 915860), (220, 778481), (230, 744634), (242, 707710), (253, 676940), (340, 503723), (362, 473110), (374, 457930), (391, 438020), (460, 372317), (484, 353855), (506, 338470), (605, 283084), (724, 236555), (748, 228965), (782, 219010), (905, 189244), (935, 183172), (1012, 169235), (1210, 141542), (1265, 135388), (1564, 109505), (1810, 94622), (1870, 91586), (1955, 87604), (1991, 86020), (2057, 83260), (2420, 70771), (2530, 67694), (2783, 61540), (3077, 55660), (3620, 47311), (3740, 45793), (3910, 43802), (3982, 43010), (4114, 41630), (4163, 41140), (4301, 39820), (5060, 33847), (5566, 30770), (6154, 27830), (7820, 21901), (7964, 21505), (8228, 20815), (8326, 20570), (8602, 19910), (9955, 17204), (10285, 16652), (11132, 15385), (12308, 13915)]