636995440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 160

約数和(自身を含む): 1677749760

約数和(自身を除く): 1040754320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 31, 34, 40, 58, 62, 68, 80, 85, 116, 124, 136, 145, 155, 170, 232, 248, 272, 290, 310, 340, 464, 493, 496, 521, 527, 580, 620, 680, 899, 986, 1042, 1054, 1160, 1240, 1360, 1798, 1972, 2084, 2108, 2320, 2465, 2480, 2605, 2635, 3596, 3944, 4168, 4216, 4495, 4930, 5210, 5270, 7192, 7888, 8336, 8432, 8857, 8990, 9860, 10420, 10540, 14384, 15109, 15283, 16151, 17714, 17980, 19720, 20840, 21080, 30218, 30566, 32302, 35428, 35960, 39440, 41680, 42160, 44285, 60436, 61132, 64604, 70856, 71920, 75545, 76415, 80755, 88570, 120872, 122264, 129208, 141712, 151090, 152830, 161510, 177140, 241744, 244528, 256853, 258416, 274567, 302180, 305660, 323020, 354280, 468379, 513706, 549134, 604360, 611320, 646040, 708560, 936758, 1027412, 1098268, 1208720, 1222640, 1284265, 1292080, 1372835, 1873516, 2054824, 2196536, 2341895, 2568530, 2745670, 3747032, 4109648, 4393072, 4683790, 5137060, 5491340, 7494064, 7962443, 9367580, 10274120, 10982680, 15924886, 18735160, 20548240, 21965360, 31849772, 37470320, 39812215, 63699544, 79624430, 127399088, 159248860, 318497720, 636995440]

約数ペア:

[(1, 636995440), (2, 318497720), (4, 159248860), (5, 127399088), (8, 79624430), (10, 63699544), (16, 39812215), (17, 37470320), (20, 31849772), (29, 21965360), (31, 20548240), (34, 18735160), (40, 15924886), (58, 10982680), (62, 10274120), (68, 9367580), (80, 7962443), (85, 7494064), (116, 5491340), (124, 5137060), (136, 4683790), (145, 4393072), (155, 4109648), (170, 3747032), (232, 2745670), (248, 2568530), (272, 2341895), (290, 2196536), (310, 2054824), (340, 1873516), (464, 1372835), (493, 1292080), (496, 1284265), (521, 1222640), (527, 1208720), (580, 1098268), (620, 1027412), (680, 936758), (899, 708560), (986, 646040), (1042, 611320), (1054, 604360), (1160, 549134), (1240, 513706), (1360, 468379), (1798, 354280), (1972, 323020), (2084, 305660), (2108, 302180), (2320, 274567), (2465, 258416), (2480, 256853), (2605, 244528), (2635, 241744), (3596, 177140), (3944, 161510), (4168, 152830), (4216, 151090), (4495, 141712), (4930, 129208), (5210, 122264), (5270, 120872), (7192, 88570), (7888, 80755), (8336, 76415), (8432, 75545), (8857, 71920), (8990, 70856), (9860, 64604), (10420, 61132), (10540, 60436), (14384, 44285), (15109, 42160), (15283, 41680), (16151, 39440), (17714, 35960), (17980, 35428), (19720, 32302), (20840, 30566), (21080, 30218)]