420423720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{3503531}}^1$

素因数の和:3503545

約数の個数: 32

約数和(自身を含む): 1261271520

約数和(自身を除く): 840847800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3503531, 7007062, 10510593, 14014124, 17517655, 21021186, 28028248, 35035310, 42042372, 52552965, 70070620, 84084744, 105105930, 140141240, 210211860, 420423720]

約数ペア:

[(1, 420423720), (2, 210211860), (3, 140141240), (4, 105105930), (5, 84084744), (6, 70070620), (8, 52552965), (10, 42042372), (12, 35035310), (15, 28028248), (20, 21021186), (24, 17517655), (30, 14014124), (40, 10510593), (60, 7007062), (120, 3503531)]