25705620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 80720640

約数和(自身を除く): 55015020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 181, 263, 270, 362, 526, 540, 543, 724, 789, 905, 1052, 1086, 1315, 1578, 1629, 1810, 2172, 2367, 2630, 2715, 3156, 3258, 3620, 3945, 4734, 4887, 5260, 5430, 6516, 7101, 7890, 8145, 9468, 9774, 10860, 11835, 14202, 15780, 16290, 19548, 23670, 24435, 28404, 32580, 35505, 47340, 47603, 48870, 71010, 95206, 97740, 142020, 142809, 190412, 238015, 285618, 428427, 476030, 571236, 714045, 856854, 952060, 1285281, 1428090, 1713708, 2142135, 2570562, 2856180, 4284270, 5141124, 6426405, 8568540, 12852810, 25705620]

約数ペア:

[(1, 25705620), (2, 12852810), (3, 8568540), (4, 6426405), (5, 5141124), (6, 4284270), (9, 2856180), (10, 2570562), (12, 2142135), (15, 1713708), (18, 1428090), (20, 1285281), (27, 952060), (30, 856854), (36, 714045), (45, 571236), (54, 476030), (60, 428427), (90, 285618), (108, 238015), (135, 190412), (180, 142809), (181, 142020), (263, 97740), (270, 95206), (362, 71010), (526, 48870), (540, 47603), (543, 47340), (724, 35505), (789, 32580), (905, 28404), (1052, 24435), (1086, 23670), (1315, 19548), (1578, 16290), (1629, 15780), (1810, 14202), (2172, 11835), (2367, 10860), (2630, 9774), (2715, 9468), (3156, 8145), (3258, 7890), (3620, 7101), (3945, 6516), (4734, 5430), (4887, 5260)]