645823040

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69593}}^1$

素因数の和:69639

約数の個数: 56

約数和(自身を含む): 1590918840

約数和(自身を除く): 945095800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 69593, 139186, 278372, 347965, 556744, 695930, 1113488, 1391860, 2018197, 2226976, 2783720, 4036394, 4453952, 5567440, 8072788, 10090985, 11134880, 16145576, 20181970, 22269760, 32291152, 40363940, 64582304, 80727880, 129164608, 161455760, 322911520, 645823040]

約数ペア:

[(1, 645823040), (2, 322911520), (4, 161455760), (5, 129164608), (8, 80727880), (10, 64582304), (16, 40363940), (20, 32291152), (29, 22269760), (32, 20181970), (40, 16145576), (58, 11134880), (64, 10090985), (80, 8072788), (116, 5567440), (145, 4453952), (160, 4036394), (232, 2783720), (290, 2226976), (320, 2018197), (464, 1391860), (580, 1113488), (928, 695930), (1160, 556744), (1856, 347965), (2320, 278372), (4640, 139186), (9280, 69593)]