285354720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{28309}}^1$

素因数の和:28337

約数の個数: 144

約数和(自身を含む): 1112922720

約数和(自身を除く): 827568000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 28309, 56618, 84927, 113236, 141545, 169854, 198163, 226472, 254781, 283090, 339708, 396326, 424635, 452944, 509562, 566180, 594489, 679416, 792652, 849270, 905888, 990815, 1019124, 1132360, 1188978, 1273905, 1358832, 1585304, 1698540, 1783467, 1981630, 2038248, 2264720, 2377956, 2547810, 2717664, 2972445, 3170608, 3397080, 3566934, 3963260, 4076496, 4529440, 4755912, 5095620, 5944890, 6341216, 6794160, 7133868, 7926520, 8152992, 8917335, 9511824, 10191240, 11889780, 13588320, 14267736, 15853040, 17834670, 19023648, 20382480, 23779560, 28535472, 31706080, 35669340, 40764960, 47559120, 57070944, 71338680, 95118240, 142677360, 285354720]

約数ペア:

[(1, 285354720), (2, 142677360), (3, 95118240), (4, 71338680), (5, 57070944), (6, 47559120), (7, 40764960), (8, 35669340), (9, 31706080), (10, 28535472), (12, 23779560), (14, 20382480), (15, 19023648), (16, 17834670), (18, 15853040), (20, 14267736), (21, 13588320), (24, 11889780), (28, 10191240), (30, 9511824), (32, 8917335), (35, 8152992), (36, 7926520), (40, 7133868), (42, 6794160), (45, 6341216), (48, 5944890), (56, 5095620), (60, 4755912), (63, 4529440), (70, 4076496), (72, 3963260), (80, 3566934), (84, 3397080), (90, 3170608), (96, 2972445), (105, 2717664), (112, 2547810), (120, 2377956), (126, 2264720), (140, 2038248), (144, 1981630), (160, 1783467), (168, 1698540), (180, 1585304), (210, 1358832), (224, 1273905), (240, 1188978), (252, 1132360), (280, 1019124), (288, 990815), (315, 905888), (336, 849270), (360, 792652), (420, 679416), (480, 594489), (504, 566180), (560, 509562), (630, 452944), (672, 424635), (720, 396326), (840, 339708), (1008, 283090), (1120, 254781), (1260, 226472), (1440, 198163), (1680, 169854), (2016, 141545), (2520, 113236), (3360, 84927), (5040, 56618), (10080, 28309)]