657894240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{456871}}^1$

素因数の和:456892

約数の個数: 72

約数和(自身を含む): 2245069008

約数和(自身を除く): 1587174768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 456871, 913742, 1370613, 1827484, 2284355, 2741226, 3654968, 4111839, 4568710, 5482452, 6853065, 7309936, 8223678, 9137420, 10964904, 13706130, 14619872, 16447356, 18274840, 20559195, 21929808, 27412260, 32894712, 36549680, 41118390, 43859616, 54824520, 65789424, 73099360, 82236780, 109649040, 131578848, 164473560, 219298080, 328947120, 657894240]

約数ペア:

[(1, 657894240), (2, 328947120), (3, 219298080), (4, 164473560), (5, 131578848), (6, 109649040), (8, 82236780), (9, 73099360), (10, 65789424), (12, 54824520), (15, 43859616), (16, 41118390), (18, 36549680), (20, 32894712), (24, 27412260), (30, 21929808), (32, 20559195), (36, 18274840), (40, 16447356), (45, 14619872), (48, 13706130), (60, 10964904), (72, 9137420), (80, 8223678), (90, 7309936), (96, 6853065), (120, 5482452), (144, 4568710), (160, 4111839), (180, 3654968), (240, 2741226), (288, 2284355), (360, 1827484), (480, 1370613), (720, 913742), (1440, 456871)]