231567440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11719}}^1$

素因数の和:11764

約数の個数: 80

約数和(自身を含む): 610377600

約数和(自身を除く): 378810160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 11719, 19760, 23438, 46876, 58595, 93752, 117190, 152347, 187504, 222661, 234380, 304694, 445322, 468760, 609388, 761735, 890644, 937520, 1113305, 1218776, 1523470, 1781288, 2226610, 2437552, 2894593, 3046940, 3562576, 4453220, 5789186, 6093880, 8906440, 11578372, 12187760, 14472965, 17812880, 23156744, 28945930, 46313488, 57891860, 115783720, 231567440]

約数ペア:

[(1, 231567440), (2, 115783720), (4, 57891860), (5, 46313488), (8, 28945930), (10, 23156744), (13, 17812880), (16, 14472965), (19, 12187760), (20, 11578372), (26, 8906440), (38, 6093880), (40, 5789186), (52, 4453220), (65, 3562576), (76, 3046940), (80, 2894593), (95, 2437552), (104, 2226610), (130, 1781288), (152, 1523470), (190, 1218776), (208, 1113305), (247, 937520), (260, 890644), (304, 761735), (380, 609388), (494, 468760), (520, 445322), (760, 304694), (988, 234380), (1040, 222661), (1235, 187504), (1520, 152347), (1976, 117190), (2470, 93752), (3952, 58595), (4940, 46876), (9880, 23438), (11719, 19760)]