256830840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{101917}}^1$

素因数の和:101941

約数の個数: 96

約数和(自身を含む): 953952480

約数和(自身を除く): 697121640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 101917, 203834, 305751, 407668, 509585, 611502, 713419, 815336, 917253, 1019170, 1223004, 1426838, 1528755, 1834506, 2038340, 2140257, 2446008, 2853676, 3057510, 3567095, 3669012, 4076680, 4280514, 4586265, 5707352, 6115020, 6420771, 7134190, 7338024, 8561028, 9172530, 10701285, 12230040, 12841542, 14268380, 17122056, 18345060, 21402570, 25683084, 28536760, 32103855, 36690120, 42805140, 51366168, 64207710, 85610280, 128415420, 256830840]

約数ペア:

[(1, 256830840), (2, 128415420), (3, 85610280), (4, 64207710), (5, 51366168), (6, 42805140), (7, 36690120), (8, 32103855), (9, 28536760), (10, 25683084), (12, 21402570), (14, 18345060), (15, 17122056), (18, 14268380), (20, 12841542), (21, 12230040), (24, 10701285), (28, 9172530), (30, 8561028), (35, 7338024), (36, 7134190), (40, 6420771), (42, 6115020), (45, 5707352), (56, 4586265), (60, 4280514), (63, 4076680), (70, 3669012), (72, 3567095), (84, 3057510), (90, 2853676), (105, 2446008), (120, 2140257), (126, 2038340), (140, 1834506), (168, 1528755), (180, 1426838), (210, 1223004), (252, 1019170), (280, 917253), (315, 815336), (360, 713419), (420, 611502), (504, 509585), (630, 407668), (840, 305751), (1260, 203834), (2520, 101917)]