320305680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{444869}}^1$

素因数の和:444888

約数の個数: 60

約数和(自身を含む): 1075695660

約数和(自身を除く): 755389980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 444869, 889738, 1334607, 1779476, 2224345, 2669214, 3558952, 4003821, 4448690, 5338428, 6673035, 7117904, 8007642, 8897380, 10676856, 13346070, 16015284, 17794760, 20019105, 21353712, 26692140, 32030568, 35589520, 40038210, 53384280, 64061136, 80076420, 106768560, 160152840, 320305680]

約数ペア:

[(1, 320305680), (2, 160152840), (3, 106768560), (4, 80076420), (5, 64061136), (6, 53384280), (8, 40038210), (9, 35589520), (10, 32030568), (12, 26692140), (15, 21353712), (16, 20019105), (18, 17794760), (20, 16015284), (24, 13346070), (30, 10676856), (36, 8897380), (40, 8007642), (45, 7117904), (48, 6673035), (60, 5338428), (72, 4448690), (80, 4003821), (90, 3558952), (120, 2669214), (144, 2224345), (180, 1779476), (240, 1334607), (360, 889738), (720, 444869)]