80875970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 191808000

約数和(自身を除く): 110932030

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 49, 70, 73, 85, 95, 98, 119, 133, 146, 170, 190, 238, 245, 266, 323, 343, 365, 490, 511, 595, 646, 665, 686, 730, 833, 931, 1022, 1190, 1241, 1330, 1387, 1615, 1666, 1715, 1862, 2261, 2482, 2555, 2774, 3230, 3430, 3577, 4165, 4522, 4655, 5110, 5831, 6205, 6517, 6935, 7154, 8330, 8687, 9310, 9709, 11305, 11662, 12410, 13034, 13870, 15827, 17374, 17885, 19418, 22610, 23579, 25039, 29155, 31654, 32585, 35770, 43435, 47158, 48545, 50078, 58310, 60809, 65170, 67963, 79135, 86870, 97090, 110789, 117895, 121618, 125195, 135926, 158270, 165053, 221578, 235790, 250390, 304045, 330106, 339815, 425663, 475741, 553945, 608090, 679630, 825265, 851326, 951482, 1107890, 1155371, 1650530, 2128315, 2310742, 2378705, 4256630, 4757410, 5776855, 8087597, 11553710, 16175194, 40437985, 80875970]

約数ペア:

[(1, 80875970), (2, 40437985), (5, 16175194), (7, 11553710), (10, 8087597), (14, 5776855), (17, 4757410), (19, 4256630), (34, 2378705), (35, 2310742), (38, 2128315), (49, 1650530), (70, 1155371), (73, 1107890), (85, 951482), (95, 851326), (98, 825265), (119, 679630), (133, 608090), (146, 553945), (170, 475741), (190, 425663), (238, 339815), (245, 330106), (266, 304045), (323, 250390), (343, 235790), (365, 221578), (490, 165053), (511, 158270), (595, 135926), (646, 125195), (665, 121618), (686, 117895), (730, 110789), (833, 97090), (931, 86870), (1022, 79135), (1190, 67963), (1241, 65170), (1330, 60809), (1387, 58310), (1615, 50078), (1666, 48545), (1715, 47158), (1862, 43435), (2261, 35770), (2482, 32585), (2555, 31654), (2774, 29155), (3230, 25039), (3430, 23579), (3577, 22610), (4165, 19418), (4522, 17885), (4655, 17374), (5110, 15827), (5831, 13870), (6205, 13034), (6517, 12410), (6935, 11662), (7154, 11305), (8330, 9709), (8687, 9310)]