648294080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{289417}}^1$

素因数の和:289441

約数の個数: 56

約数和(自身を含む): 1764292128

約数和(自身を除く): 1115998048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 289417, 578834, 1157668, 1447085, 2025919, 2315336, 2894170, 4051838, 4630672, 5788340, 8103676, 9261344, 10129595, 11576680, 16207352, 18522688, 20259190, 23153360, 32414704, 40518380, 46306720, 64829408, 81036760, 92613440, 129658816, 162073520, 324147040, 648294080]

約数ペア:

[(1, 648294080), (2, 324147040), (4, 162073520), (5, 129658816), (7, 92613440), (8, 81036760), (10, 64829408), (14, 46306720), (16, 40518380), (20, 32414704), (28, 23153360), (32, 20259190), (35, 18522688), (40, 16207352), (56, 11576680), (64, 10129595), (70, 9261344), (80, 8103676), (112, 5788340), (140, 4630672), (160, 4051838), (224, 2894170), (280, 2315336), (320, 2025919), (448, 1447085), (560, 1157668), (1120, 578834), (2240, 289417)]