219204540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 688816128

約数和(自身を除く): 469611588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 127, 129, 172, 180, 215, 223, 254, 258, 381, 387, 430, 446, 508, 516, 635, 645, 669, 762, 774, 860, 892, 1115, 1143, 1270, 1290, 1338, 1524, 1548, 1905, 1935, 2007, 2230, 2286, 2540, 2580, 2676, 3345, 3810, 3870, 4014, 4460, 4572, 5461, 5715, 6690, 7620, 7740, 8028, 9589, 10035, 10922, 11430, 13380, 16383, 19178, 20070, 21844, 22860, 27305, 28321, 28767, 32766, 38356, 40140, 47945, 49149, 54610, 56642, 57534, 65532, 81915, 84963, 86301, 95890, 98298, 109220, 113284, 115068, 141605, 143835, 163830, 169926, 172602, 191780, 196596, 245745, 254889, 283210, 287670, 327660, 339852, 345204, 424815, 431505, 491490, 509778, 566420, 575340, 849630, 863010, 982980, 1019556, 1217803, 1274445, 1699260, 1726020, 2435606, 2548890, 3653409, 4871212, 5097780, 6089015, 7306818, 10960227, 12178030, 14613636, 18267045, 21920454, 24356060, 36534090, 43840908, 54801135, 73068180, 109602270, 219204540]

約数ペア:

[(1, 219204540), (2, 109602270), (3, 73068180), (4, 54801135), (5, 43840908), (6, 36534090), (9, 24356060), (10, 21920454), (12, 18267045), (15, 14613636), (18, 12178030), (20, 10960227), (30, 7306818), (36, 6089015), (43, 5097780), (45, 4871212), (60, 3653409), (86, 2548890), (90, 2435606), (127, 1726020), (129, 1699260), (172, 1274445), (180, 1217803), (215, 1019556), (223, 982980), (254, 863010), (258, 849630), (381, 575340), (387, 566420), (430, 509778), (446, 491490), (508, 431505), (516, 424815), (635, 345204), (645, 339852), (669, 327660), (762, 287670), (774, 283210), (860, 254889), (892, 245745), (1115, 196596), (1143, 191780), (1270, 172602), (1290, 169926), (1338, 163830), (1524, 143835), (1548, 141605), (1905, 115068), (1935, 113284), (2007, 109220), (2230, 98298), (2286, 95890), (2540, 86301), (2580, 84963), (2676, 81915), (3345, 65532), (3810, 57534), (3870, 56642), (4014, 54610), (4460, 49149), (4572, 47945), (5461, 40140), (5715, 38356), (6690, 32766), (7620, 28767), (7740, 28321), (8028, 27305), (9589, 22860), (10035, 21844), (10922, 20070), (11430, 19178), (13380, 16383)]