621840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2591}}^1$

素因数の和:2607

約数の個数: 40

約数和(自身を含む): 1928448

約数和(自身を除く): 1306608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2591, 5182, 7773, 10364, 12955, 15546, 20728, 25910, 31092, 38865, 41456, 51820, 62184, 77730, 103640, 124368, 155460, 207280, 310920, 621840]

約数ペア:

[(1, 621840), (2, 310920), (3, 207280), (4, 155460), (5, 124368), (6, 103640), (8, 77730), (10, 62184), (12, 51820), (15, 41456), (16, 38865), (20, 31092), (24, 25910), (30, 20728), (40, 15546), (48, 12955), (60, 10364), (80, 7773), (120, 5182), (240, 2591)]