278798760

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{3187}}^1$

素因数の和:3219

約数の個数: 128

約数和(自身を含む): 941097600

約数和(自身を除く): 662298840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2187, 2430, 2916, 3187, 3240, 3645, 4374, 4860, 5832, 6374, 7290, 8748, 9561, 9720, 10935, 12748, 14580, 15935, 17496, 19122, 21870, 25496, 28683, 29160, 31870, 38244, 43740, 47805, 57366, 63740, 76488, 86049, 87480, 95610, 114732, 127480, 143415, 172098, 191220, 229464, 258147, 286830, 344196, 382440, 430245, 516294, 573660, 688392, 774441, 860490, 1032588, 1147320, 1290735, 1548882, 1720980, 2065176, 2323323, 2581470, 3097764, 3441960, 3872205, 4646646, 5162940, 6195528, 6969969, 7744410, 9293292, 10325880, 11616615, 13939938, 15488820, 18586584, 23233230, 27879876, 30977640, 34849845, 46466460, 55759752, 69699690, 92932920, 139399380, 278798760]

約数ペア:

[(1, 278798760), (2, 139399380), (3, 92932920), (4, 69699690), (5, 55759752), (6, 46466460), (8, 34849845), (9, 30977640), (10, 27879876), (12, 23233230), (15, 18586584), (18, 15488820), (20, 13939938), (24, 11616615), (27, 10325880), (30, 9293292), (36, 7744410), (40, 6969969), (45, 6195528), (54, 5162940), (60, 4646646), (72, 3872205), (81, 3441960), (90, 3097764), (108, 2581470), (120, 2323323), (135, 2065176), (162, 1720980), (180, 1548882), (216, 1290735), (243, 1147320), (270, 1032588), (324, 860490), (360, 774441), (405, 688392), (486, 573660), (540, 516294), (648, 430245), (729, 382440), (810, 344196), (972, 286830), (1080, 258147), (1215, 229464), (1458, 191220), (1620, 172098), (1944, 143415), (2187, 127480), (2430, 114732), (2916, 95610), (3187, 87480), (3240, 86049), (3645, 76488), (4374, 63740), (4860, 57366), (5832, 47805), (6374, 43740), (7290, 38244), (8748, 31870), (9561, 29160), (9720, 28683), (10935, 25496), (12748, 21870), (14580, 19122), (15935, 17496)]