78732640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{70297}}^1$

素因数の和:70319

約数の個数: 48

約数和(自身を含む): 212581152

約数和(自身を除く): 133848512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 70297, 140594, 281188, 351485, 492079, 562376, 702970, 984158, 1124752, 1405940, 1968316, 2249504, 2460395, 2811880, 3936632, 4920790, 5623760, 7873264, 9841580, 11247520, 15746528, 19683160, 39366320, 78732640]

約数ペア:

[(1, 78732640), (2, 39366320), (4, 19683160), (5, 15746528), (7, 11247520), (8, 9841580), (10, 7873264), (14, 5623760), (16, 4920790), (20, 3936632), (28, 2811880), (32, 2460395), (35, 2249504), (40, 1968316), (56, 1405940), (70, 1124752), (80, 984158), (112, 702970), (140, 562376), (160, 492079), (224, 351485), (280, 281188), (560, 140594), (1120, 70297)]