64685520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29947}}^1$

素因数の和:29969

約数の個数: 80

約数和(自身を含む): 222813120

約数和(自身を除く): 158127600

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, 29947, 59894, 89841, 119788, 149735, 179682, 239576, 269523, 299470, 359364, 449205, 479152, 539046, 598940, 718728, 808569, 898410, 1078092, 1197880, 1347615, 1437456, 1617138, 1796820, 2156184, 2395760, 2695230, 3234276, 3593640, 4042845, 4312368, 5390460, 6468552, 7187280, 8085690, 10780920, 12937104, 16171380, 21561840, 32342760, 64685520]

約数ペア:

[(1, 64685520), (2, 32342760), (3, 21561840), (4, 16171380), (5, 12937104), (6, 10780920), (8, 8085690), (9, 7187280), (10, 6468552), (12, 5390460), (15, 4312368), (16, 4042845), (18, 3593640), (20, 3234276), (24, 2695230), (27, 2395760), (30, 2156184), (36, 1796820), (40, 1617138), (45, 1437456), (48, 1347615), (54, 1197880), (60, 1078092), (72, 898410), (80, 808569), (90, 718728), (108, 598940), (120, 539046), (135, 479152), (144, 449205), (180, 359364), (216, 299470), (240, 269523), (270, 239576), (360, 179682), (432, 149735), (540, 119788), (720, 89841), (1080, 59894), (2160, 29947)]