64946120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 156006000

約数和(自身を除く): 91059880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 596, 641, 680, 745, 1192, 1282, 1490, 2533, 2564, 2980, 3205, 5066, 5128, 5960, 6410, 10132, 10897, 12665, 12820, 20264, 21794, 25330, 25640, 43588, 50660, 54485, 87176, 95509, 101320, 108970, 191018, 217940, 382036, 435880, 477545, 764072, 955090, 1623653, 1910180, 3247306, 3820360, 6494612, 8118265, 12989224, 16236530, 32473060, 64946120]

約数ペア:

[(1, 64946120), (2, 32473060), (4, 16236530), (5, 12989224), (8, 8118265), (10, 6494612), (17, 3820360), (20, 3247306), (34, 1910180), (40, 1623653), (68, 955090), (85, 764072), (136, 477545), (149, 435880), (170, 382036), (298, 217940), (340, 191018), (596, 108970), (641, 101320), (680, 95509), (745, 87176), (1192, 54485), (1282, 50660), (1490, 43588), (2533, 25640), (2564, 25330), (2980, 21794), (3205, 20264), (5066, 12820), (5128, 12665), (5960, 10897), (6410, 10132)]