120379980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{286619}}^1$

素因数の和:286638

約数の個数: 48

約数和(自身を含む): 385217280

約数和(自身を除く): 264837300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 286619, 573238, 859857, 1146476, 1433095, 1719714, 2006333, 2866190, 3439428, 4012666, 4299285, 5732380, 6018999, 8025332, 8598570, 10031665, 12037998, 17197140, 20063330, 24075996, 30094995, 40126660, 60189990, 120379980]

約数ペア:

[(1, 120379980), (2, 60189990), (3, 40126660), (4, 30094995), (5, 24075996), (6, 20063330), (7, 17197140), (10, 12037998), (12, 10031665), (14, 8598570), (15, 8025332), (20, 6018999), (21, 5732380), (28, 4299285), (30, 4012666), (35, 3439428), (42, 2866190), (60, 2006333), (70, 1719714), (84, 1433095), (105, 1146476), (140, 859857), (210, 573238), (420, 286619)]