80881320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 263894400

約数和(自身を除く): 183013080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 139, 156, 195, 260, 278, 312, 373, 390, 417, 520, 556, 695, 746, 780, 834, 1112, 1119, 1390, 1492, 1560, 1668, 1807, 1865, 2085, 2238, 2780, 2984, 3336, 3614, 3730, 4170, 4476, 4849, 5421, 5560, 5595, 7228, 7460, 8340, 8952, 9035, 9698, 10842, 11190, 14456, 14547, 14920, 16680, 18070, 19396, 21684, 22380, 24245, 27105, 29094, 36140, 38792, 43368, 44760, 48490, 51847, 54210, 58188, 72280, 72735, 96980, 103694, 108420, 116376, 145470, 155541, 193960, 207388, 216840, 259235, 290940, 311082, 414776, 518470, 581880, 622164, 674011, 777705, 1036940, 1244328, 1348022, 1555410, 2022033, 2073880, 2696044, 3110820, 3370055, 4044066, 5392088, 6221640, 6740110, 8088132, 10110165, 13480220, 16176264, 20220330, 26960440, 40440660, 80881320]

約数ペア:

[(1, 80881320), (2, 40440660), (3, 26960440), (4, 20220330), (5, 16176264), (6, 13480220), (8, 10110165), (10, 8088132), (12, 6740110), (13, 6221640), (15, 5392088), (20, 4044066), (24, 3370055), (26, 3110820), (30, 2696044), (39, 2073880), (40, 2022033), (52, 1555410), (60, 1348022), (65, 1244328), (78, 1036940), (104, 777705), (120, 674011), (130, 622164), (139, 581880), (156, 518470), (195, 414776), (260, 311082), (278, 290940), (312, 259235), (373, 216840), (390, 207388), (417, 193960), (520, 155541), (556, 145470), (695, 116376), (746, 108420), (780, 103694), (834, 96980), (1112, 72735), (1119, 72280), (1390, 58188), (1492, 54210), (1560, 51847), (1668, 48490), (1807, 44760), (1865, 43368), (2085, 38792), (2238, 36140), (2780, 29094), (2984, 27105), (3336, 24245), (3614, 22380), (3730, 21684), (4170, 19396), (4476, 18070), (4849, 16680), (5421, 14920), (5560, 14547), (5595, 14456), (7228, 11190), (7460, 10842), (8340, 9698), (8952, 9035)]