70935760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 189737856

約数和(自身を除く): 118802096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 643, 788, 985, 1286, 1379, 1576, 1970, 2572, 2758, 3152, 3215, 3940, 4501, 5144, 5516, 6430, 6895, 7880, 9002, 10288, 11032, 12860, 13790, 15760, 18004, 22064, 22505, 25720, 27580, 36008, 45010, 51440, 55160, 72016, 90020, 110320, 126671, 180040, 253342, 360080, 506684, 633355, 886697, 1013368, 1266710, 1773394, 2026736, 2533420, 3546788, 4433485, 5066840, 7093576, 8866970, 10133680, 14187152, 17733940, 35467880, 70935760]

約数ペア:

[(1, 70935760), (2, 35467880), (4, 17733940), (5, 14187152), (7, 10133680), (8, 8866970), (10, 7093576), (14, 5066840), (16, 4433485), (20, 3546788), (28, 2533420), (35, 2026736), (40, 1773394), (56, 1266710), (70, 1013368), (80, 886697), (112, 633355), (140, 506684), (197, 360080), (280, 253342), (394, 180040), (560, 126671), (643, 110320), (788, 90020), (985, 72016), (1286, 55160), (1379, 51440), (1576, 45010), (1970, 36008), (2572, 27580), (2758, 25720), (3152, 22505), (3215, 22064), (3940, 18004), (4501, 15760), (5144, 13790), (5516, 12860), (6430, 11032), (6895, 10288), (7880, 9002)]