253836240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1249

約数の個数: 160

約数和(自身を含む): 906608640

約数和(自身を除く): 652772400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 139, 140, 168, 210, 240, 278, 280, 336, 417, 420, 556, 560, 695, 834, 840, 973, 1087, 1112, 1390, 1668, 1680, 1946, 2085, 2174, 2224, 2780, 2919, 3261, 3336, 3892, 4170, 4348, 4865, 5435, 5560, 5838, 6522, 6672, 7609, 7784, 8340, 8696, 9730, 10870, 11120, 11676, 13044, 14595, 15218, 15568, 16305, 16680, 17392, 19460, 21740, 22827, 23352, 26088, 29190, 30436, 32610, 33360, 38045, 38920, 43480, 45654, 46704, 52176, 58380, 60872, 65220, 76090, 77840, 86960, 91308, 114135, 116760, 121744, 130440, 151093, 152180, 182616, 228270, 233520, 260880, 302186, 304360, 365232, 453279, 456540, 604372, 608720, 755465, 906558, 913080, 1057651, 1208744, 1510930, 1813116, 1826160, 2115302, 2266395, 2417488, 3021860, 3172953, 3626232, 4230604, 4532790, 5288255, 6043720, 6345906, 7252464, 8461208, 9065580, 10576510, 12087440, 12691812, 15864765, 16922416, 18131160, 21153020, 25383624, 31729530, 36262320, 42306040, 50767248, 63459060, 84612080, 126918120, 253836240]

約数ペア:

[(1, 253836240), (2, 126918120), (3, 84612080), (4, 63459060), (5, 50767248), (6, 42306040), (7, 36262320), (8, 31729530), (10, 25383624), (12, 21153020), (14, 18131160), (15, 16922416), (16, 15864765), (20, 12691812), (21, 12087440), (24, 10576510), (28, 9065580), (30, 8461208), (35, 7252464), (40, 6345906), (42, 6043720), (48, 5288255), (56, 4532790), (60, 4230604), (70, 3626232), (80, 3172953), (84, 3021860), (105, 2417488), (112, 2266395), (120, 2115302), (139, 1826160), (140, 1813116), (168, 1510930), (210, 1208744), (240, 1057651), (278, 913080), (280, 906558), (336, 755465), (417, 608720), (420, 604372), (556, 456540), (560, 453279), (695, 365232), (834, 304360), (840, 302186), (973, 260880), (1087, 233520), (1112, 228270), (1390, 182616), (1668, 152180), (1680, 151093), (1946, 130440), (2085, 121744), (2174, 116760), (2224, 114135), (2780, 91308), (2919, 86960), (3261, 77840), (3336, 76090), (3892, 65220), (4170, 60872), (4348, 58380), (4865, 52176), (5435, 46704), (5560, 45654), (5838, 43480), (6522, 38920), (6672, 38045), (7609, 33360), (7784, 32610), (8340, 30436), (8696, 29190), (9730, 26088), (10870, 23352), (11120, 22827), (11676, 21740), (13044, 19460), (14595, 17392), (15218, 16680), (15568, 16305)]