81529920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28309}}^1$

素因数の和:28332

約数の個数: 84

約数和(自身を含む): 280438860

約数和(自身を除く): 198908940

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 28309, 56618, 84927, 113236, 141545, 169854, 226472, 254781, 283090, 339708, 424635, 452944, 509562, 566180, 679416, 849270, 905888, 1019124, 1132360, 1273905, 1358832, 1698540, 1811776, 2038248, 2264720, 2547810, 2717664, 3397080, 4076496, 4529440, 5095620, 5435328, 6794160, 8152992, 9058880, 10191240, 13588320, 16305984, 20382480, 27176640, 40764960, 81529920]

約数ペア:

[(1, 81529920), (2, 40764960), (3, 27176640), (4, 20382480), (5, 16305984), (6, 13588320), (8, 10191240), (9, 9058880), (10, 8152992), (12, 6794160), (15, 5435328), (16, 5095620), (18, 4529440), (20, 4076496), (24, 3397080), (30, 2717664), (32, 2547810), (36, 2264720), (40, 2038248), (45, 1811776), (48, 1698540), (60, 1358832), (64, 1273905), (72, 1132360), (80, 1019124), (90, 905888), (96, 849270), (120, 679416), (144, 566180), (160, 509562), (180, 452944), (192, 424635), (240, 339708), (288, 283090), (320, 254781), (360, 226472), (480, 169854), (576, 141545), (720, 113236), (960, 84927), (1440, 56618), (2880, 28309)]