80676840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 254016000

約数和(自身を除く): 173339160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 97, 116, 120, 145, 174, 194, 232, 239, 290, 291, 348, 388, 435, 478, 485, 580, 582, 696, 717, 776, 870, 956, 970, 1160, 1164, 1195, 1434, 1455, 1740, 1912, 1940, 2328, 2390, 2813, 2868, 2910, 3480, 3585, 3880, 4780, 5626, 5736, 5820, 6931, 7170, 8439, 9560, 11252, 11640, 13862, 14065, 14340, 16878, 20793, 22504, 23183, 27724, 28130, 28680, 33756, 34655, 41586, 42195, 46366, 55448, 56260, 67512, 69310, 69549, 83172, 84390, 92732, 103965, 112520, 115915, 138620, 139098, 166344, 168780, 185464, 207930, 231830, 277240, 278196, 337560, 347745, 415860, 463660, 556392, 672307, 695490, 831720, 927320, 1344614, 1390980, 2016921, 2689228, 2781960, 3361535, 4033842, 5378456, 6723070, 8067684, 10084605, 13446140, 16135368, 20169210, 26892280, 40338420, 80676840]

約数ペア:

[(1, 80676840), (2, 40338420), (3, 26892280), (4, 20169210), (5, 16135368), (6, 13446140), (8, 10084605), (10, 8067684), (12, 6723070), (15, 5378456), (20, 4033842), (24, 3361535), (29, 2781960), (30, 2689228), (40, 2016921), (58, 1390980), (60, 1344614), (87, 927320), (97, 831720), (116, 695490), (120, 672307), (145, 556392), (174, 463660), (194, 415860), (232, 347745), (239, 337560), (290, 278196), (291, 277240), (348, 231830), (388, 207930), (435, 185464), (478, 168780), (485, 166344), (580, 139098), (582, 138620), (696, 115915), (717, 112520), (776, 103965), (870, 92732), (956, 84390), (970, 83172), (1160, 69549), (1164, 69310), (1195, 67512), (1434, 56260), (1455, 55448), (1740, 46366), (1912, 42195), (1940, 41586), (2328, 34655), (2390, 33756), (2813, 28680), (2868, 28130), (2910, 27724), (3480, 23183), (3585, 22504), (3880, 20793), (4780, 16878), (5626, 14340), (5736, 14065), (5820, 13862), (6931, 11640), (7170, 11252), (8439, 9560)]