68354460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{947}}^1$

素因数の和:1363

約数の個数: 72

約数和(自身を含む): 208078416

約数和(自身を除く): 139723956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 401, 802, 947, 1203, 1604, 1894, 2005, 2406, 2841, 3609, 3788, 4010, 4735, 4812, 5682, 6015, 7218, 8020, 8523, 9470, 11364, 12030, 14205, 14436, 17046, 18045, 18940, 24060, 28410, 34092, 36090, 42615, 56820, 72180, 85230, 170460, 379747, 759494, 1139241, 1518988, 1898735, 2278482, 3417723, 3797470, 4556964, 5696205, 6835446, 7594940, 11392410, 13670892, 17088615, 22784820, 34177230, 68354460]

約数ペア:

[(1, 68354460), (2, 34177230), (3, 22784820), (4, 17088615), (5, 13670892), (6, 11392410), (9, 7594940), (10, 6835446), (12, 5696205), (15, 4556964), (18, 3797470), (20, 3417723), (30, 2278482), (36, 1898735), (45, 1518988), (60, 1139241), (90, 759494), (180, 379747), (401, 170460), (802, 85230), (947, 72180), (1203, 56820), (1604, 42615), (1894, 36090), (2005, 34092), (2406, 28410), (2841, 24060), (3609, 18940), (3788, 18045), (4010, 17046), (4735, 14436), (4812, 14205), (5682, 12030), (6015, 11364), (7218, 9470), (8020, 8523)]