78001800

素因数分解:

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

素因数の和:130022

約数の個数: 48

約数和(自身を含む): 241807440

約数和(自身を除く): 163805640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 130003, 260006, 390009, 520012, 650015, 780018, 1040024, 1300030, 1560036, 1950045, 2600060, 3120072, 3250075, 3900090, 5200120, 6500150, 7800180, 9750225, 13000300, 15600360, 19500450, 26000600, 39000900, 78001800]

約数ペア:

[(1, 78001800), (2, 39000900), (3, 26000600), (4, 19500450), (5, 15600360), (6, 13000300), (8, 9750225), (10, 7800180), (12, 6500150), (15, 5200120), (20, 3900090), (24, 3250075), (25, 3120072), (30, 2600060), (40, 1950045), (50, 1560036), (60, 1300030), (75, 1040024), (100, 780018), (120, 650015), (150, 520012), (200, 390009), (300, 260006), (600, 130003)]