128597940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19309}}^1$

素因数の和:19361

約数の個数: 72

約数和(自身を含む): 400643880

約数和(自身を除く): 272045940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 19309, 38618, 57927, 77236, 96545, 115854, 173781, 193090, 231708, 289635, 347562, 386180, 579270, 695124, 714433, 868905, 1158540, 1428866, 1737810, 2143299, 2857732, 3475620, 3572165, 4286598, 6429897, 7144330, 8573196, 10716495, 12859794, 14288660, 21432990, 25719588, 32149485, 42865980, 64298970, 128597940]

約数ペア:

[(1, 128597940), (2, 64298970), (3, 42865980), (4, 32149485), (5, 25719588), (6, 21432990), (9, 14288660), (10, 12859794), (12, 10716495), (15, 8573196), (18, 7144330), (20, 6429897), (30, 4286598), (36, 3572165), (37, 3475620), (45, 2857732), (60, 2143299), (74, 1737810), (90, 1428866), (111, 1158540), (148, 868905), (180, 714433), (185, 695124), (222, 579270), (333, 386180), (370, 347562), (444, 289635), (555, 231708), (666, 193090), (740, 173781), (1110, 115854), (1332, 96545), (1665, 77236), (2220, 57927), (3330, 38618), (6660, 19309)]