640991124

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{467}}^1$

素因数の和:730

約数の個数: 96

約数和(自身を含む): 1698278400

約数和(自身を除く): 1057287276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 179, 213, 284, 358, 426, 467, 537, 639, 716, 852, 934, 1074, 1278, 1401, 1611, 1868, 1917, 2148, 2556, 2802, 3222, 3834, 4203, 4833, 5604, 6444, 7668, 8406, 9666, 12609, 12709, 16812, 19332, 25218, 25418, 33157, 38127, 50436, 50836, 66314, 76254, 83593, 99471, 114381, 132628, 152508, 167186, 198942, 228762, 250779, 298413, 334372, 343143, 397884, 457524, 501558, 596826, 686286, 752337, 895239, 1003116, 1193652, 1372572, 1504674, 1790478, 2257011, 3009348, 3580956, 4514022, 5935103, 9028044, 11870206, 17805309, 23740412, 35610618, 53415927, 71221236, 106831854, 160247781, 213663708, 320495562, 640991124]

約数ペア:

[(1, 640991124), (2, 320495562), (3, 213663708), (4, 160247781), (6, 106831854), (9, 71221236), (12, 53415927), (18, 35610618), (27, 23740412), (36, 17805309), (54, 11870206), (71, 9028044), (108, 5935103), (142, 4514022), (179, 3580956), (213, 3009348), (284, 2257011), (358, 1790478), (426, 1504674), (467, 1372572), (537, 1193652), (639, 1003116), (716, 895239), (852, 752337), (934, 686286), (1074, 596826), (1278, 501558), (1401, 457524), (1611, 397884), (1868, 343143), (1917, 334372), (2148, 298413), (2556, 250779), (2802, 228762), (3222, 198942), (3834, 167186), (4203, 152508), (4833, 132628), (5604, 114381), (6444, 99471), (7668, 83593), (8406, 76254), (9666, 66314), (12609, 50836), (12709, 50436), (16812, 38127), (19332, 33157), (25218, 25418)]