661242816

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:643

約数の個数: 168

約数和(自身を含む): 2055296880

約数和(自身を除く): 1394054064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 192, 208, 233, 234, 288, 312, 379, 416, 466, 468, 576, 624, 699, 758, 832, 932, 936, 1137, 1248, 1398, 1516, 1864, 1872, 2097, 2274, 2496, 2796, 3029, 3032, 3411, 3728, 3744, 4194, 4548, 4927, 5592, 6058, 6064, 6822, 7456, 7488, 8388, 9087, 9096, 9854, 11184, 12116, 12128, 13644, 14781, 14912, 16776, 18174, 18192, 19708, 22368, 24232, 24256, 27261, 27288, 29562, 33552, 36348, 36384, 39416, 44343, 44736, 48464, 54522, 54576, 59124, 67104, 72696, 72768, 78832, 88307, 88686, 96928, 109044, 109152, 118248, 134208, 145392, 157664, 176614, 177372, 193856, 218088, 218304, 236496, 264921, 290784, 315328, 353228, 354744, 436176, 472992, 529842, 581568, 706456, 709488, 794763, 872352, 945984, 1059684, 1147991, 1412912, 1418976, 1589526, 1744704, 2119368, 2295982, 2825824, 2837952, 3179052, 3443973, 4238736, 4591964, 5651648, 6358104, 6887946, 8477472, 9183928, 10331919, 12716208, 13775892, 16954944, 18367856, 20663838, 25432416, 27551784, 36735712, 41327676, 50864832, 55103568, 73471424, 82655352, 110207136, 165310704, 220414272, 330621408, 661242816]

約数ペア:

[(1, 661242816), (2, 330621408), (3, 220414272), (4, 165310704), (6, 110207136), (8, 82655352), (9, 73471424), (12, 55103568), (13, 50864832), (16, 41327676), (18, 36735712), (24, 27551784), (26, 25432416), (32, 20663838), (36, 18367856), (39, 16954944), (48, 13775892), (52, 12716208), (64, 10331919), (72, 9183928), (78, 8477472), (96, 6887946), (104, 6358104), (117, 5651648), (144, 4591964), (156, 4238736), (192, 3443973), (208, 3179052), (233, 2837952), (234, 2825824), (288, 2295982), (312, 2119368), (379, 1744704), (416, 1589526), (466, 1418976), (468, 1412912), (576, 1147991), (624, 1059684), (699, 945984), (758, 872352), (832, 794763), (932, 709488), (936, 706456), (1137, 581568), (1248, 529842), (1398, 472992), (1516, 436176), (1864, 354744), (1872, 353228), (2097, 315328), (2274, 290784), (2496, 264921), (2796, 236496), (3029, 218304), (3032, 218088), (3411, 193856), (3728, 177372), (3744, 176614), (4194, 157664), (4548, 145392), (4927, 134208), (5592, 118248), (6058, 109152), (6064, 109044), (6822, 96928), (7456, 88686), (7488, 88307), (8388, 78832), (9087, 72768), (9096, 72696), (9854, 67104), (11184, 59124), (12116, 54576), (12128, 54522), (13644, 48464), (14781, 44736), (14912, 44343), (16776, 39416), (18174, 36384), (18192, 36348), (19708, 33552), (22368, 29562), (24232, 27288), (24256, 27261)]