645263160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5437}}^1$

素因数の和:5517

約数の個数: 128

約数和(自身を含む): 2067310080

約数和(自身を除く): 1422046920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 552, 645, 690, 860, 920, 989, 1032, 1290, 1380, 1720, 1978, 2580, 2760, 2967, 3956, 4945, 5160, 5437, 5934, 7912, 9890, 10874, 11868, 14835, 16311, 19780, 21748, 23736, 27185, 29670, 32622, 39560, 43496, 54370, 59340, 65244, 81555, 108740, 118680, 125051, 130488, 163110, 217480, 233791, 250102, 326220, 375153, 467582, 500204, 625255, 652440, 701373, 750306, 935164, 1000408, 1168955, 1250510, 1402746, 1500612, 1870328, 1875765, 2337910, 2501020, 2805492, 3001224, 3506865, 3751530, 4675820, 5002040, 5377193, 5610984, 7013730, 7503060, 9351640, 10754386, 14027460, 15006120, 16131579, 21508772, 26885965, 28054920, 32263158, 43017544, 53771930, 64526316, 80657895, 107543860, 129052632, 161315790, 215087720, 322631580, 645263160]

約数ペア:

[(1, 645263160), (2, 322631580), (3, 215087720), (4, 161315790), (5, 129052632), (6, 107543860), (8, 80657895), (10, 64526316), (12, 53771930), (15, 43017544), (20, 32263158), (23, 28054920), (24, 26885965), (30, 21508772), (40, 16131579), (43, 15006120), (46, 14027460), (60, 10754386), (69, 9351640), (86, 7503060), (92, 7013730), (115, 5610984), (120, 5377193), (129, 5002040), (138, 4675820), (172, 3751530), (184, 3506865), (215, 3001224), (230, 2805492), (258, 2501020), (276, 2337910), (344, 1875765), (345, 1870328), (430, 1500612), (460, 1402746), (516, 1250510), (552, 1168955), (645, 1000408), (690, 935164), (860, 750306), (920, 701373), (989, 652440), (1032, 625255), (1290, 500204), (1380, 467582), (1720, 375153), (1978, 326220), (2580, 250102), (2760, 233791), (2967, 217480), (3956, 163110), (4945, 130488), (5160, 125051), (5437, 118680), (5934, 108740), (7912, 81555), (9890, 65244), (10874, 59340), (11868, 54370), (14835, 43496), (16311, 39560), (19780, 32622), (21748, 29670), (23736, 27185)]