68644980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22433}}^1$

素因数の和:22465

約数の個数: 72

約数和(自身を含む): 220481352

約数和(自身を除く): 151836372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 22433, 44866, 67299, 89732, 112165, 134598, 201897, 224330, 269196, 336495, 381361, 403794, 448660, 672990, 762722, 807588, 1009485, 1144083, 1345980, 1525444, 1906805, 2018970, 2288166, 3432249, 3813610, 4037940, 4576332, 5720415, 6864498, 7627220, 11440830, 13728996, 17161245, 22881660, 34322490, 68644980]

約数ペア:

[(1, 68644980), (2, 34322490), (3, 22881660), (4, 17161245), (5, 13728996), (6, 11440830), (9, 7627220), (10, 6864498), (12, 5720415), (15, 4576332), (17, 4037940), (18, 3813610), (20, 3432249), (30, 2288166), (34, 2018970), (36, 1906805), (45, 1525444), (51, 1345980), (60, 1144083), (68, 1009485), (85, 807588), (90, 762722), (102, 672990), (153, 448660), (170, 403794), (180, 381361), (204, 336495), (255, 269196), (306, 224330), (340, 201897), (510, 134598), (612, 112165), (765, 89732), (1020, 67299), (1530, 44866), (3060, 22433)]