2520972080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{271}}^1$

素因数の和:368

約数の個数: 180

約数和(自身を含む): 6681634848

約数和(自身を除く): 4160662768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 271, 310, 341, 440, 484, 496, 542, 605, 620, 682, 880, 961, 968, 1084, 1210, 1240, 1355, 1364, 1705, 1922, 1936, 2168, 2420, 2480, 2710, 2728, 2981, 3410, 3751, 3844, 4336, 4805, 4840, 5420, 5456, 5962, 6820, 7502, 7688, 8401, 9610, 9680, 10571, 10840, 11924, 13640, 14905, 15004, 15376, 16802, 18755, 19220, 21142, 21680, 23848, 27280, 29810, 30008, 32791, 33604, 37510, 38440, 42005, 42284, 47696, 52855, 59620, 60016, 65582, 67208, 75020, 76880, 84010, 84568, 92411, 105710, 116281, 119240, 131164, 134416, 150040, 163955, 168020, 169136, 184822, 211420, 232562, 238480, 260431, 262328, 300080, 327910, 336040, 369644, 422840, 462055, 465124, 520862, 524656, 581405, 655820, 672080, 739288, 845680, 924110, 930248, 1016521, 1041724, 1162810, 1302155, 1311640, 1478576, 1848220, 1860496, 2033042, 2083448, 2325620, 2604310, 2623280, 2864741, 3696440, 4066084, 4166896, 4651240, 5082605, 5208620, 5729482, 7392880, 8132168, 9302480, 10165210, 10417240, 11458964, 14323705, 16264336, 20330420, 20834480, 22917928, 28647410, 31512151, 40660840, 45835856, 57294820, 63024302, 81321680, 114589640, 126048604, 157560755, 229179280, 252097208, 315121510, 504194416, 630243020, 1260486040, 2520972080]

約数ペア:

[(1, 2520972080), (2, 1260486040), (4, 630243020), (5, 504194416), (8, 315121510), (10, 252097208), (11, 229179280), (16, 157560755), (20, 126048604), (22, 114589640), (31, 81321680), (40, 63024302), (44, 57294820), (55, 45835856), (62, 40660840), (80, 31512151), (88, 28647410), (110, 22917928), (121, 20834480), (124, 20330420), (155, 16264336), (176, 14323705), (220, 11458964), (242, 10417240), (248, 10165210), (271, 9302480), (310, 8132168), (341, 7392880), (440, 5729482), (484, 5208620), (496, 5082605), (542, 4651240), (605, 4166896), (620, 4066084), (682, 3696440), (880, 2864741), (961, 2623280), (968, 2604310), (1084, 2325620), (1210, 2083448), (1240, 2033042), (1355, 1860496), (1364, 1848220), (1705, 1478576), (1922, 1311640), (1936, 1302155), (2168, 1162810), (2420, 1041724), (2480, 1016521), (2710, 930248), (2728, 924110), (2981, 845680), (3410, 739288), (3751, 672080), (3844, 655820), (4336, 581405), (4805, 524656), (4840, 520862), (5420, 465124), (5456, 462055), (5962, 422840), (6820, 369644), (7502, 336040), (7688, 327910), (8401, 300080), (9610, 262328), (9680, 260431), (10571, 238480), (10840, 232562), (11924, 211420), (13640, 184822), (14905, 169136), (15004, 168020), (15376, 163955), (16802, 150040), (18755, 134416), (19220, 131164), (21142, 119240), (21680, 116281), (23848, 105710), (27280, 92411), (29810, 84568), (30008, 84010), (32791, 76880), (33604, 75020), (37510, 67208), (38440, 65582), (42005, 60016), (42284, 59620), (47696, 52855)]