1799686640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{45631}}^1$

素因数の和:45690

約数の個数: 80

約数和(自身を含む): 4583278080

約数和(自身を除く): 2783591440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1972, 2320, 2465, 3944, 4930, 7888, 9860, 19720, 39440, 45631, 91262, 182524, 228155, 365048, 456310, 730096, 775727, 912620, 1323299, 1551454, 1825240, 2646598, 3102908, 3650480, 3878635, 5293196, 6205816, 6616495, 7757270, 10586392, 12411632, 13232990, 15514540, 21172784, 22496083, 26465980, 31029080, 44992166, 52931960, 62058160, 89984332, 105863920, 112480415, 179968664, 224960830, 359937328, 449921660, 899843320, 1799686640]

約数ペア:

[(1, 1799686640), (2, 899843320), (4, 449921660), (5, 359937328), (8, 224960830), (10, 179968664), (16, 112480415), (17, 105863920), (20, 89984332), (29, 62058160), (34, 52931960), (40, 44992166), (58, 31029080), (68, 26465980), (80, 22496083), (85, 21172784), (116, 15514540), (136, 13232990), (145, 12411632), (170, 10586392), (232, 7757270), (272, 6616495), (290, 6205816), (340, 5293196), (464, 3878635), (493, 3650480), (580, 3102908), (680, 2646598), (986, 1825240), (1160, 1551454), (1360, 1323299), (1972, 912620), (2320, 775727), (2465, 730096), (3944, 456310), (4930, 365048), (7888, 228155), (9860, 182524), (19720, 91262), (39440, 45631)]