80621480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2237}}^1$

素因数の和:2318

約数の個数: 64

約数和(自身を含む): 195780240

約数和(自身を除く): 115158760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 2237, 3604, 4474, 4505, 7208, 8948, 9010, 11185, 17896, 18020, 22370, 36040, 38029, 44740, 76058, 89480, 118561, 152116, 190145, 237122, 304232, 380290, 474244, 592805, 760580, 948488, 1185610, 1521160, 2015537, 2371220, 4031074, 4742440, 8062148, 10077685, 16124296, 20155370, 40310740, 80621480]

約数ペア:

[(1, 80621480), (2, 40310740), (4, 20155370), (5, 16124296), (8, 10077685), (10, 8062148), (17, 4742440), (20, 4031074), (34, 2371220), (40, 2015537), (53, 1521160), (68, 1185610), (85, 948488), (106, 760580), (136, 592805), (170, 474244), (212, 380290), (265, 304232), (340, 237122), (424, 190145), (530, 152116), (680, 118561), (901, 89480), (1060, 76058), (1802, 44740), (2120, 38029), (2237, 36040), (3604, 22370), (4474, 18020), (4505, 17896), (7208, 11185), (8948, 9010)]