68236420

素因数分解:

$2^2\times 5^1\times 7^6\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 84

約数和(自身を含む): 172943820

約数和(自身を除く): 104707400

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 343, 406, 490, 580, 686, 812, 980, 1015, 1372, 1421, 1715, 2030, 2401, 2842, 3430, 4060, 4802, 5684, 6860, 7105, 9604, 9947, 12005, 14210, 16807, 19894, 24010, 28420, 33614, 39788, 48020, 49735, 67228, 69629, 84035, 99470, 117649, 139258, 168070, 198940, 235298, 278516, 336140, 348145, 470596, 487403, 588245, 696290, 974806, 1176490, 1392580, 1949612, 2352980, 2437015, 3411821, 4874030, 6823642, 9748060, 13647284, 17059105, 34118210, 68236420]

約数ペア:

[(1, 68236420), (2, 34118210), (4, 17059105), (5, 13647284), (7, 9748060), (10, 6823642), (14, 4874030), (20, 3411821), (28, 2437015), (29, 2352980), (35, 1949612), (49, 1392580), (58, 1176490), (70, 974806), (98, 696290), (116, 588245), (140, 487403), (145, 470596), (196, 348145), (203, 336140), (245, 278516), (290, 235298), (343, 198940), (406, 168070), (490, 139258), (580, 117649), (686, 99470), (812, 84035), (980, 69629), (1015, 67228), (1372, 49735), (1421, 48020), (1715, 39788), (2030, 33614), (2401, 28420), (2842, 24010), (3430, 19894), (4060, 16807), (4802, 14210), (5684, 12005), (6860, 9947), (7105, 9604)]