1305263360

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 3235365840

約数和(自身を除く): 1930102480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 73, 80, 122, 128, 146, 160, 229, 244, 256, 292, 305, 320, 365, 458, 488, 584, 610, 640, 730, 916, 976, 1145, 1168, 1220, 1280, 1460, 1832, 1952, 2290, 2336, 2440, 2920, 3664, 3904, 4453, 4580, 4672, 4880, 5840, 7328, 7808, 8906, 9160, 9344, 9760, 11680, 13969, 14656, 15616, 16717, 17812, 18320, 18688, 19520, 22265, 23360, 27938, 29312, 33434, 35624, 36640, 39040, 44530, 46720, 55876, 58624, 66868, 69845, 71248, 73280, 78080, 83585, 89060, 93440, 111752, 133736, 139690, 142496, 146560, 167170, 178120, 223504, 267472, 279380, 284992, 293120, 334340, 356240, 447008, 534944, 558760, 569984, 668680, 712480, 894016, 1019737, 1069888, 1117520, 1139968, 1337360, 1424960, 1788032, 2039474, 2139776, 2235040, 2674720, 2849920, 3576064, 4078948, 4279552, 4470080, 5098685, 5349440, 5699840, 8157896, 8940160, 10197370, 10698880, 16315792, 17880320, 20394740, 21397760, 32631584, 40789480, 65263168, 81578960, 130526336, 163157920, 261052672, 326315840, 652631680, 1305263360]

約数ペア:

[(1, 1305263360), (2, 652631680), (4, 326315840), (5, 261052672), (8, 163157920), (10, 130526336), (16, 81578960), (20, 65263168), (32, 40789480), (40, 32631584), (61, 21397760), (64, 20394740), (73, 17880320), (80, 16315792), (122, 10698880), (128, 10197370), (146, 8940160), (160, 8157896), (229, 5699840), (244, 5349440), (256, 5098685), (292, 4470080), (305, 4279552), (320, 4078948), (365, 3576064), (458, 2849920), (488, 2674720), (584, 2235040), (610, 2139776), (640, 2039474), (730, 1788032), (916, 1424960), (976, 1337360), (1145, 1139968), (1168, 1117520), (1220, 1069888), (1280, 1019737), (1460, 894016), (1832, 712480), (1952, 668680), (2290, 569984), (2336, 558760), (2440, 534944), (2920, 447008), (3664, 356240), (3904, 334340), (4453, 293120), (4580, 284992), (4672, 279380), (4880, 267472), (5840, 223504), (7328, 178120), (7808, 167170), (8906, 146560), (9160, 142496), (9344, 139690), (9760, 133736), (11680, 111752), (13969, 93440), (14656, 89060), (15616, 83585), (16717, 78080), (17812, 73280), (18320, 71248), (18688, 69845), (19520, 66868), (22265, 58624), (23360, 55876), (27938, 46720), (29312, 44530), (33434, 39040), (35624, 36640)]