155275280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 411402240

約数和(自身を除く): 256126960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 31, 34, 40, 58, 62, 68, 80, 85, 116, 124, 127, 136, 145, 155, 170, 232, 248, 254, 272, 290, 310, 340, 464, 493, 496, 508, 527, 580, 620, 635, 680, 899, 986, 1016, 1054, 1160, 1240, 1270, 1360, 1798, 1972, 2032, 2108, 2159, 2320, 2465, 2480, 2540, 2635, 3596, 3683, 3937, 3944, 4216, 4318, 4495, 4930, 5080, 5270, 7192, 7366, 7874, 7888, 8432, 8636, 8990, 9860, 10160, 10540, 10795, 14384, 14732, 15283, 15748, 17272, 17980, 18415, 19685, 19720, 21080, 21590, 29464, 30566, 31496, 34544, 35960, 36830, 39370, 39440, 42160, 43180, 58928, 61132, 62611, 62992, 66929, 71920, 73660, 76415, 78740, 86360, 114173, 122264, 125222, 133858, 147320, 152830, 157480, 172720, 228346, 244528, 250444, 267716, 294640, 305660, 313055, 314960, 334645, 456692, 500888, 535432, 570865, 611320, 626110, 669290, 913384, 1001776, 1070864, 1141730, 1222640, 1252220, 1338580, 1826768, 1940941, 2283460, 2504440, 2677160, 3881882, 4566920, 5008880, 5354320, 7763764, 9133840, 9704705, 15527528, 19409410, 31055056, 38818820, 77637640, 155275280]

約数ペア:

[(1, 155275280), (2, 77637640), (4, 38818820), (5, 31055056), (8, 19409410), (10, 15527528), (16, 9704705), (17, 9133840), (20, 7763764), (29, 5354320), (31, 5008880), (34, 4566920), (40, 3881882), (58, 2677160), (62, 2504440), (68, 2283460), (80, 1940941), (85, 1826768), (116, 1338580), (124, 1252220), (127, 1222640), (136, 1141730), (145, 1070864), (155, 1001776), (170, 913384), (232, 669290), (248, 626110), (254, 611320), (272, 570865), (290, 535432), (310, 500888), (340, 456692), (464, 334645), (493, 314960), (496, 313055), (508, 305660), (527, 294640), (580, 267716), (620, 250444), (635, 244528), (680, 228346), (899, 172720), (986, 157480), (1016, 152830), (1054, 147320), (1160, 133858), (1240, 125222), (1270, 122264), (1360, 114173), (1798, 86360), (1972, 78740), (2032, 76415), (2108, 73660), (2159, 71920), (2320, 66929), (2465, 62992), (2480, 62611), (2540, 61132), (2635, 58928), (3596, 43180), (3683, 42160), (3937, 39440), (3944, 39370), (4216, 36830), (4318, 35960), (4495, 34544), (4930, 31496), (5080, 30566), (5270, 29464), (7192, 21590), (7366, 21080), (7874, 19720), (7888, 19685), (8432, 18415), (8636, 17980), (8990, 17272), (9860, 15748), (10160, 15283), (10540, 14732), (10795, 14384)]