205812880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1$

素因数の和:1713

約数の個数: 160

約数和(自身を含む): 623960064

約数和(自身を除く): 418147184

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 170, 182, 208, 221, 238, 260, 272, 280, 340, 364, 442, 455, 476, 520, 560, 595, 680, 728, 884, 910, 952, 1040, 1105, 1190, 1360, 1456, 1547, 1663, 1768, 1820, 1904, 2210, 2380, 3094, 3326, 3536, 3640, 4420, 4760, 6188, 6652, 7280, 7735, 8315, 8840, 9520, 11641, 12376, 13304, 15470, 16630, 17680, 21619, 23282, 24752, 26608, 28271, 30940, 33260, 43238, 46564, 56542, 58205, 61880, 66520, 86476, 93128, 108095, 113084, 116410, 123760, 133040, 141355, 151333, 172952, 186256, 197897, 216190, 226168, 232820, 282710, 302666, 345904, 367523, 395794, 432380, 452336, 465640, 565420, 605332, 735046, 756665, 791588, 864760, 931280, 989485, 1130840, 1210664, 1470092, 1513330, 1583176, 1729520, 1837615, 1978970, 2261680, 2421328, 2572661, 2940184, 3026660, 3166352, 3675230, 3957940, 5145322, 5880368, 6053320, 7350460, 7915880, 10290644, 12106640, 12863305, 14700920, 15831760, 20581288, 25726610, 29401840, 41162576, 51453220, 102906440, 205812880]

約数ペア:

[(1, 205812880), (2, 102906440), (4, 51453220), (5, 41162576), (7, 29401840), (8, 25726610), (10, 20581288), (13, 15831760), (14, 14700920), (16, 12863305), (17, 12106640), (20, 10290644), (26, 7915880), (28, 7350460), (34, 6053320), (35, 5880368), (40, 5145322), (52, 3957940), (56, 3675230), (65, 3166352), (68, 3026660), (70, 2940184), (80, 2572661), (85, 2421328), (91, 2261680), (104, 1978970), (112, 1837615), (119, 1729520), (130, 1583176), (136, 1513330), (140, 1470092), (170, 1210664), (182, 1130840), (208, 989485), (221, 931280), (238, 864760), (260, 791588), (272, 756665), (280, 735046), (340, 605332), (364, 565420), (442, 465640), (455, 452336), (476, 432380), (520, 395794), (560, 367523), (595, 345904), (680, 302666), (728, 282710), (884, 232820), (910, 226168), (952, 216190), (1040, 197897), (1105, 186256), (1190, 172952), (1360, 151333), (1456, 141355), (1547, 133040), (1663, 123760), (1768, 116410), (1820, 113084), (1904, 108095), (2210, 93128), (2380, 86476), (3094, 66520), (3326, 61880), (3536, 58205), (3640, 56542), (4420, 46564), (4760, 43238), (6188, 33260), (6652, 30940), (7280, 28271), (7735, 26608), (8315, 24752), (8840, 23282), (9520, 21619), (11641, 17680), (12376, 16630), (13304, 15470)]