261753840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8867}}^1$

素因数の和:8927

約数の個数: 120

約数和(自身を含む): 900598608

約数和(自身を除く): 638844768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4920, 5904, 7380, 8867, 9840, 14760, 17734, 26601, 29520, 35468, 44335, 53202, 70936, 79803, 88670, 106404, 133005, 141872, 159606, 177340, 212808, 266010, 319212, 354680, 363547, 399015, 425616, 532020, 638424, 709360, 727094, 798030, 1064040, 1090641, 1276848, 1454188, 1596060, 1817735, 2128080, 2181282, 2908376, 3192120, 3271923, 3635470, 4362564, 5453205, 5816752, 6384240, 6543846, 7270940, 8725128, 10906410, 13087692, 14541880, 16359615, 17450256, 21812820, 26175384, 29083760, 32719230, 43625640, 52350768, 65438460, 87251280, 130876920, 261753840]

約数ペア:

[(1, 261753840), (2, 130876920), (3, 87251280), (4, 65438460), (5, 52350768), (6, 43625640), (8, 32719230), (9, 29083760), (10, 26175384), (12, 21812820), (15, 17450256), (16, 16359615), (18, 14541880), (20, 13087692), (24, 10906410), (30, 8725128), (36, 7270940), (40, 6543846), (41, 6384240), (45, 5816752), (48, 5453205), (60, 4362564), (72, 3635470), (80, 3271923), (82, 3192120), (90, 2908376), (120, 2181282), (123, 2128080), (144, 1817735), (164, 1596060), (180, 1454188), (205, 1276848), (240, 1090641), (246, 1064040), (328, 798030), (360, 727094), (369, 709360), (410, 638424), (492, 532020), (615, 425616), (656, 399015), (720, 363547), (738, 354680), (820, 319212), (984, 266010), (1230, 212808), (1476, 177340), (1640, 159606), (1845, 141872), (1968, 133005), (2460, 106404), (2952, 88670), (3280, 79803), (3690, 70936), (4920, 53202), (5904, 44335), (7380, 35468), (8867, 29520), (9840, 26601), (14760, 17734)]