68914620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3947}}^1$

素因数の和:4059

約数の個数: 72

約数和(自身を含む): 211249584

約数和(自身を除く): 142334964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 3947, 4365, 5820, 7894, 8730, 11841, 15788, 17460, 19735, 23682, 35523, 39470, 47364, 59205, 71046, 78940, 118410, 142092, 177615, 236820, 355230, 382859, 710460, 765718, 1148577, 1531436, 1914295, 2297154, 3445731, 3828590, 4594308, 5742885, 6891462, 7657180, 11485770, 13782924, 17228655, 22971540, 34457310, 68914620]

約数ペア:

[(1, 68914620), (2, 34457310), (3, 22971540), (4, 17228655), (5, 13782924), (6, 11485770), (9, 7657180), (10, 6891462), (12, 5742885), (15, 4594308), (18, 3828590), (20, 3445731), (30, 2297154), (36, 1914295), (45, 1531436), (60, 1148577), (90, 765718), (97, 710460), (180, 382859), (194, 355230), (291, 236820), (388, 177615), (485, 142092), (582, 118410), (873, 78940), (970, 71046), (1164, 59205), (1455, 47364), (1746, 39470), (1940, 35523), (2910, 23682), (3492, 19735), (3947, 17460), (4365, 15788), (5820, 11841), (7894, 8730)]