661981680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{306473}}^1$

素因数の和:306495

約数の個数: 80

約数和(自身を含む): 2280166560

約数和(自身を除く): 1618184880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 306473, 612946, 919419, 1225892, 1532365, 1838838, 2451784, 2758257, 3064730, 3677676, 4597095, 4903568, 5516514, 6129460, 7355352, 8274771, 9194190, 11033028, 12258920, 13791285, 14710704, 16549542, 18388380, 22066056, 24517840, 27582570, 33099084, 36776760, 41373855, 44132112, 55165140, 66198168, 73553520, 82747710, 110330280, 132396336, 165495420, 220660560, 330990840, 661981680]

約数ペア:

[(1, 661981680), (2, 330990840), (3, 220660560), (4, 165495420), (5, 132396336), (6, 110330280), (8, 82747710), (9, 73553520), (10, 66198168), (12, 55165140), (15, 44132112), (16, 41373855), (18, 36776760), (20, 33099084), (24, 27582570), (27, 24517840), (30, 22066056), (36, 18388380), (40, 16549542), (45, 14710704), (48, 13791285), (54, 12258920), (60, 11033028), (72, 9194190), (80, 8274771), (90, 7355352), (108, 6129460), (120, 5516514), (135, 4903568), (144, 4597095), (180, 3677676), (216, 3064730), (240, 2758257), (270, 2451784), (360, 1838838), (432, 1532365), (540, 1225892), (720, 919419), (1080, 612946), (2160, 306473)]