31200720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{130003}}^1$

素因数の和:130019

約数の個数: 40

約数和(自身を含む): 96722976

約数和(自身を除く): 65522256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 130003, 260006, 390009, 520012, 650015, 780018, 1040024, 1300030, 1560036, 1950045, 2080048, 2600060, 3120072, 3900090, 5200120, 6240144, 7800180, 10400240, 15600360, 31200720]

約数ペア:

[(1, 31200720), (2, 15600360), (3, 10400240), (4, 7800180), (5, 6240144), (6, 5200120), (8, 3900090), (10, 3120072), (12, 2600060), (15, 2080048), (16, 1950045), (20, 1560036), (24, 1300030), (30, 1040024), (40, 780018), (48, 650015), (60, 520012), (80, 390009), (120, 260006), (240, 130003)]