64748180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4243}}^1$

素因数の和:4368

約数の個数: 48

約数和(自身を含む): 156858240

約数和(自身を除く): 92110060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4243, 7630, 8486, 15260, 16972, 21215, 29701, 42430, 59402, 84860, 118804, 148505, 297010, 462487, 594020, 924974, 1849948, 2312435, 3237409, 4624870, 6474818, 9249740, 12949636, 16187045, 32374090, 64748180]

約数ペア:

[(1, 64748180), (2, 32374090), (4, 16187045), (5, 12949636), (7, 9249740), (10, 6474818), (14, 4624870), (20, 3237409), (28, 2312435), (35, 1849948), (70, 924974), (109, 594020), (140, 462487), (218, 297010), (436, 148505), (545, 118804), (763, 84860), (1090, 59402), (1526, 42430), (2180, 29701), (3052, 21215), (3815, 16972), (4243, 15260), (7630, 8486)]