64913240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33119}}^1$

素因数の和:33144

約数の個数: 48

約数和(自身を含む): 169905600

約数和(自身を除く): 104992360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33119, 66238, 132476, 165595, 231833, 264952, 331190, 463666, 662380, 927332, 1159165, 1324760, 1622831, 1854664, 2318330, 3245662, 4636660, 6491324, 8114155, 9273320, 12982648, 16228310, 32456620, 64913240]

約数ペア:

[(1, 64913240), (2, 32456620), (4, 16228310), (5, 12982648), (7, 9273320), (8, 8114155), (10, 6491324), (14, 4636660), (20, 3245662), (28, 2318330), (35, 1854664), (40, 1622831), (49, 1324760), (56, 1159165), (70, 927332), (98, 662380), (140, 463666), (196, 331190), (245, 264952), (280, 231833), (392, 165595), (490, 132476), (980, 66238), (1960, 33119)]