663843420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{19309}}^1$

素因数の和:19515

約数の個数: 72

約数和(自身を含む): 2024305920

約数和(自身を除く): 1360462500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1719, 1910, 2292, 2865, 3438, 3820, 5730, 6876, 8595, 11460, 17190, 19309, 34380, 38618, 57927, 77236, 96545, 115854, 173781, 193090, 231708, 289635, 347562, 386180, 579270, 695124, 868905, 1158540, 1737810, 3475620, 3688019, 7376038, 11064057, 14752076, 18440095, 22128114, 33192171, 36880190, 44256228, 55320285, 66384342, 73760380, 110640570, 132768684, 165960855, 221281140, 331921710, 663843420]

約数ペア:

[(1, 663843420), (2, 331921710), (3, 221281140), (4, 165960855), (5, 132768684), (6, 110640570), (9, 73760380), (10, 66384342), (12, 55320285), (15, 44256228), (18, 36880190), (20, 33192171), (30, 22128114), (36, 18440095), (45, 14752076), (60, 11064057), (90, 7376038), (180, 3688019), (191, 3475620), (382, 1737810), (573, 1158540), (764, 868905), (955, 695124), (1146, 579270), (1719, 386180), (1910, 347562), (2292, 289635), (2865, 231708), (3438, 193090), (3820, 173781), (5730, 115854), (6876, 96545), (8595, 77236), (11460, 57927), (17190, 38618), (19309, 34380)]