1280040216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1597}}^1$

素因数の和:1993

約数の個数: 128

約数和(自身を含む): 3951790080

約数和(自身を除く): 2671749864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 367, 546, 728, 734, 1092, 1101, 1468, 1597, 2184, 2202, 2569, 2936, 3194, 4404, 4771, 4791, 5138, 6388, 7707, 8808, 9542, 9582, 10276, 11179, 12776, 14313, 15414, 19084, 19164, 20552, 20761, 22358, 28626, 30828, 33397, 33537, 38168, 38328, 41522, 44716, 57252, 61656, 62283, 66794, 67074, 83044, 89432, 100191, 114504, 124566, 133588, 134148, 145327, 166088, 200382, 249132, 267176, 268296, 290654, 400764, 435981, 498264, 581308, 586099, 801528, 871962, 1162616, 1172198, 1743924, 1758297, 2344396, 3487848, 3516594, 4102693, 4688792, 7033188, 7619287, 8205386, 12308079, 14066376, 15238574, 16410772, 22857861, 24616158, 30477148, 32821544, 45715722, 49232316, 53335009, 60954296, 91431444, 98464632, 106670018, 160005027, 182862888, 213340036, 320010054, 426680072, 640020108, 1280040216]

約数ペア:

[(1, 1280040216), (2, 640020108), (3, 426680072), (4, 320010054), (6, 213340036), (7, 182862888), (8, 160005027), (12, 106670018), (13, 98464632), (14, 91431444), (21, 60954296), (24, 53335009), (26, 49232316), (28, 45715722), (39, 32821544), (42, 30477148), (52, 24616158), (56, 22857861), (78, 16410772), (84, 15238574), (91, 14066376), (104, 12308079), (156, 8205386), (168, 7619287), (182, 7033188), (273, 4688792), (312, 4102693), (364, 3516594), (367, 3487848), (546, 2344396), (728, 1758297), (734, 1743924), (1092, 1172198), (1101, 1162616), (1468, 871962), (1597, 801528), (2184, 586099), (2202, 581308), (2569, 498264), (2936, 435981), (3194, 400764), (4404, 290654), (4771, 268296), (4791, 267176), (5138, 249132), (6388, 200382), (7707, 166088), (8808, 145327), (9542, 134148), (9582, 133588), (10276, 124566), (11179, 114504), (12776, 100191), (14313, 89432), (15414, 83044), (19084, 67074), (19164, 66794), (20552, 62283), (20761, 61656), (22358, 57252), (28626, 44716), (30828, 41522), (33397, 38328), (33537, 38168)]