77637640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 121427960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 31, 34, 40, 58, 62, 68, 85, 116, 124, 127, 136, 145, 155, 170, 232, 248, 254, 290, 310, 340, 493, 508, 527, 580, 620, 635, 680, 899, 986, 1016, 1054, 1160, 1240, 1270, 1798, 1972, 2108, 2159, 2465, 2540, 2635, 3596, 3683, 3937, 3944, 4216, 4318, 4495, 4930, 5080, 5270, 7192, 7366, 7874, 8636, 8990, 9860, 10540, 10795, 14732, 15283, 15748, 17272, 17980, 18415, 19685, 19720, 21080, 21590, 29464, 30566, 31496, 35960, 36830, 39370, 43180, 61132, 62611, 66929, 73660, 76415, 78740, 86360, 114173, 122264, 125222, 133858, 147320, 152830, 157480, 228346, 250444, 267716, 305660, 313055, 334645, 456692, 500888, 535432, 570865, 611320, 626110, 669290, 913384, 1141730, 1252220, 1338580, 1940941, 2283460, 2504440, 2677160, 3881882, 4566920, 7763764, 9704705, 15527528, 19409410, 38818820, 77637640]

約数ペア:

[(1, 77637640), (2, 38818820), (4, 19409410), (5, 15527528), (8, 9704705), (10, 7763764), (17, 4566920), (20, 3881882), (29, 2677160), (31, 2504440), (34, 2283460), (40, 1940941), (58, 1338580), (62, 1252220), (68, 1141730), (85, 913384), (116, 669290), (124, 626110), (127, 611320), (136, 570865), (145, 535432), (155, 500888), (170, 456692), (232, 334645), (248, 313055), (254, 305660), (290, 267716), (310, 250444), (340, 228346), (493, 157480), (508, 152830), (527, 147320), (580, 133858), (620, 125222), (635, 122264), (680, 114173), (899, 86360), (986, 78740), (1016, 76415), (1054, 73660), (1160, 66929), (1240, 62611), (1270, 61132), (1798, 43180), (1972, 39370), (2108, 36830), (2159, 35960), (2465, 31496), (2540, 30566), (2635, 29464), (3596, 21590), (3683, 21080), (3937, 19720), (3944, 19685), (4216, 18415), (4318, 17980), (4495, 17272), (4930, 15748), (5080, 15283), (5270, 14732), (7192, 10795), (7366, 10540), (7874, 9860), (8636, 8990)]