18989280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13187}}^1$

素因数の和:13208

約数の個数: 72

約数和(自身を含む): 64805832

約数和(自身を除く): 45816552

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, 13187, 26374, 39561, 52748, 65935, 79122, 105496, 118683, 131870, 158244, 197805, 210992, 237366, 263740, 316488, 395610, 421984, 474732, 527480, 593415, 632976, 791220, 949464, 1054960, 1186830, 1265952, 1582440, 1898928, 2109920, 2373660, 3164880, 3797856, 4747320, 6329760, 9494640, 18989280]

約数ペア:

[(1, 18989280), (2, 9494640), (3, 6329760), (4, 4747320), (5, 3797856), (6, 3164880), (8, 2373660), (9, 2109920), (10, 1898928), (12, 1582440), (15, 1265952), (16, 1186830), (18, 1054960), (20, 949464), (24, 791220), (30, 632976), (32, 593415), (36, 527480), (40, 474732), (45, 421984), (48, 395610), (60, 316488), (72, 263740), (80, 237366), (90, 210992), (96, 197805), (120, 158244), (144, 131870), (160, 118683), (180, 105496), (240, 79122), (288, 65935), (360, 52748), (480, 39561), (720, 26374), (1440, 13187)]