18983520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13183}}^1$

素因数の和:13204

約数の個数: 72

約数和(自身を含む): 64786176

約数和(自身を除く): 45802656

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, 13183, 26366, 39549, 52732, 65915, 79098, 105464, 118647, 131830, 158196, 197745, 210928, 237294, 263660, 316392, 395490, 421856, 474588, 527320, 593235, 632784, 790980, 949176, 1054640, 1186470, 1265568, 1581960, 1898352, 2109280, 2372940, 3163920, 3796704, 4745880, 6327840, 9491760, 18983520]

約数ペア:

[(1, 18983520), (2, 9491760), (3, 6327840), (4, 4745880), (5, 3796704), (6, 3163920), (8, 2372940), (9, 2109280), (10, 1898352), (12, 1581960), (15, 1265568), (16, 1186470), (18, 1054640), (20, 949176), (24, 790980), (30, 632784), (32, 593235), (36, 527320), (40, 474588), (45, 421856), (48, 395490), (60, 316392), (72, 263660), (80, 237294), (90, 210928), (96, 197745), (120, 158196), (144, 131830), (160, 118647), (180, 105464), (240, 79098), (288, 65915), (360, 52732), (480, 39549), (720, 26366), (1440, 13183)]