207478040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 256

約数和(自身を含む): 627056640

約数和(自身を除く): 419578600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 41, 44, 53, 55, 56, 62, 70, 77, 82, 88, 106, 110, 124, 140, 154, 155, 164, 205, 212, 217, 220, 248, 265, 280, 287, 308, 310, 328, 341, 371, 385, 410, 424, 434, 440, 451, 530, 574, 583, 616, 620, 682, 742, 770, 820, 868, 902, 1060, 1085, 1148, 1166, 1240, 1271, 1364, 1435, 1484, 1540, 1640, 1643, 1705, 1736, 1804, 1855, 2120, 2170, 2173, 2255, 2296, 2332, 2387, 2542, 2728, 2870, 2915, 2968, 3080, 3157, 3286, 3410, 3608, 3710, 4081, 4340, 4346, 4510, 4664, 4774, 5084, 5740, 5830, 6314, 6355, 6572, 6820, 7420, 8162, 8215, 8680, 8692, 8897, 9020, 9548, 10168, 10865, 11480, 11501, 11660, 11935, 12628, 12710, 13144, 13640, 13981, 14840, 15211, 15785, 16324, 16430, 17384, 17794, 18040, 18073, 19096, 20405, 21730, 23002, 23320, 23870, 23903, 25256, 25420, 27962, 30422, 31570, 32648, 32860, 35588, 36146, 40810, 43460, 44485, 46004, 47740, 47806, 50840, 55924, 57505, 60844, 63140, 65720, 67363, 69905, 71176, 72292, 76055, 81620, 86920, 88970, 90365, 92008, 95480, 95612, 97867, 111848, 115010, 119515, 121688, 126280, 126511, 134726, 139810, 144584, 152110, 163240, 167321, 177940, 180730, 191224, 195734, 230020, 239030, 253022, 269452, 279620, 304220, 334642, 336815, 355880, 361460, 391468, 460040, 471541, 478060, 489335, 506044, 538904, 559240, 608440, 632555, 669284, 673630, 722920, 740993, 782936, 836605, 943082, 956120, 978670, 1012088, 1265110, 1338568, 1347260, 1481986, 1673210, 1886164, 1957340, 2357705, 2530220, 2694520, 2963972, 3346420, 3704965, 3772328, 3914680, 4715410, 5060440, 5186951, 5927944, 6692840, 7409930, 9430820, 10373902, 14819860, 18861640, 20747804, 25934755, 29639720, 41495608, 51869510, 103739020, 207478040]

約数ペア:

[(1, 207478040), (2, 103739020), (4, 51869510), (5, 41495608), (7, 29639720), (8, 25934755), (10, 20747804), (11, 18861640), (14, 14819860), (20, 10373902), (22, 9430820), (28, 7409930), (31, 6692840), (35, 5927944), (40, 5186951), (41, 5060440), (44, 4715410), (53, 3914680), (55, 3772328), (56, 3704965), (62, 3346420), (70, 2963972), (77, 2694520), (82, 2530220), (88, 2357705), (106, 1957340), (110, 1886164), (124, 1673210), (140, 1481986), (154, 1347260), (155, 1338568), (164, 1265110), (205, 1012088), (212, 978670), (217, 956120), (220, 943082), (248, 836605), (265, 782936), (280, 740993), (287, 722920), (308, 673630), (310, 669284), (328, 632555), (341, 608440), (371, 559240), (385, 538904), (410, 506044), (424, 489335), (434, 478060), (440, 471541), (451, 460040), (530, 391468), (574, 361460), (583, 355880), (616, 336815), (620, 334642), (682, 304220), (742, 279620), (770, 269452), (820, 253022), (868, 239030), (902, 230020), (1060, 195734), (1085, 191224), (1148, 180730), (1166, 177940), (1240, 167321), (1271, 163240), (1364, 152110), (1435, 144584), (1484, 139810), (1540, 134726), (1640, 126511), (1643, 126280), (1705, 121688), (1736, 119515), (1804, 115010), (1855, 111848), (2120, 97867), (2170, 95612), (2173, 95480), (2255, 92008), (2296, 90365), (2332, 88970), (2387, 86920), (2542, 81620), (2728, 76055), (2870, 72292), (2915, 71176), (2968, 69905), (3080, 67363), (3157, 65720), (3286, 63140), (3410, 60844), (3608, 57505), (3710, 55924), (4081, 50840), (4340, 47806), (4346, 47740), (4510, 46004), (4664, 44485), (4774, 43460), (5084, 40810), (5740, 36146), (5830, 35588), (6314, 32860), (6355, 32648), (6572, 31570), (6820, 30422), (7420, 27962), (8162, 25420), (8215, 25256), (8680, 23903), (8692, 23870), (8897, 23320), (9020, 23002), (9548, 21730), (10168, 20405), (10865, 19096), (11480, 18073), (11501, 18040), (11660, 17794), (11935, 17384), (12628, 16430), (12710, 16324), (13144, 15785), (13640, 15211), (13981, 14840)]