25866180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 84913920

約数和(自身を除く): 59047740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 79, 85, 90, 102, 107, 153, 158, 170, 180, 204, 214, 237, 255, 306, 316, 321, 340, 395, 428, 474, 510, 535, 612, 642, 711, 765, 790, 948, 963, 1020, 1070, 1185, 1284, 1343, 1422, 1530, 1580, 1605, 1819, 1926, 2140, 2370, 2686, 2844, 3060, 3210, 3555, 3638, 3852, 4029, 4740, 4815, 5372, 5457, 6420, 6715, 7110, 7276, 8058, 8453, 9095, 9630, 10914, 12087, 13430, 14220, 16116, 16371, 16906, 18190, 19260, 20145, 21828, 24174, 25359, 26860, 27285, 32742, 33812, 36380, 40290, 42265, 48348, 50718, 54570, 60435, 65484, 76077, 80580, 81855, 84530, 101436, 109140, 120870, 126795, 143701, 152154, 163710, 169060, 241740, 253590, 287402, 304308, 327420, 380385, 431103, 507180, 574804, 718505, 760770, 862206, 1293309, 1437010, 1521540, 1724412, 2155515, 2586618, 2874020, 4311030, 5173236, 6466545, 8622060, 12933090, 25866180]

約数ペア:

[(1, 25866180), (2, 12933090), (3, 8622060), (4, 6466545), (5, 5173236), (6, 4311030), (9, 2874020), (10, 2586618), (12, 2155515), (15, 1724412), (17, 1521540), (18, 1437010), (20, 1293309), (30, 862206), (34, 760770), (36, 718505), (45, 574804), (51, 507180), (60, 431103), (68, 380385), (79, 327420), (85, 304308), (90, 287402), (102, 253590), (107, 241740), (153, 169060), (158, 163710), (170, 152154), (180, 143701), (204, 126795), (214, 120870), (237, 109140), (255, 101436), (306, 84530), (316, 81855), (321, 80580), (340, 76077), (395, 65484), (428, 60435), (474, 54570), (510, 50718), (535, 48348), (612, 42265), (642, 40290), (711, 36380), (765, 33812), (790, 32742), (948, 27285), (963, 26860), (1020, 25359), (1070, 24174), (1185, 21828), (1284, 20145), (1343, 19260), (1422, 18190), (1530, 16906), (1580, 16371), (1605, 16116), (1819, 14220), (1926, 13430), (2140, 12087), (2370, 10914), (2686, 9630), (2844, 9095), (3060, 8453), (3210, 8058), (3555, 7276), (3638, 7110), (3852, 6715), (4029, 6420), (4740, 5457), (4815, 5372)]