7280494740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{290987}}^1$

素因数の和:291141

約数の個数: 72

約数和(自身を含む): 22243122720

約数和(自身を除く): 14962627980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 25020, 290987, 581974, 872961, 1163948, 1454935, 1745922, 2618883, 2909870, 3491844, 4364805, 5237766, 5819740, 8729610, 10475532, 13094415, 17459220, 26188830, 40447193, 52377660, 80894386, 121341579, 161788772, 202235965, 242683158, 364024737, 404471930, 485366316, 606707895, 728049474, 808943860, 1213415790, 1456098948, 1820123685, 2426831580, 3640247370, 7280494740]

約数ペア:

[(1, 7280494740), (2, 3640247370), (3, 2426831580), (4, 1820123685), (5, 1456098948), (6, 1213415790), (9, 808943860), (10, 728049474), (12, 606707895), (15, 485366316), (18, 404471930), (20, 364024737), (30, 242683158), (36, 202235965), (45, 161788772), (60, 121341579), (90, 80894386), (139, 52377660), (180, 40447193), (278, 26188830), (417, 17459220), (556, 13094415), (695, 10475532), (834, 8729610), (1251, 5819740), (1390, 5237766), (1668, 4364805), (2085, 3491844), (2502, 2909870), (2780, 2618883), (4170, 1745922), (5004, 1454935), (6255, 1163948), (8340, 872961), (12510, 581974), (25020, 290987)]