30831120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{42821}}^1$

素因数の和:42840

約数の個数: 60

約数和(自身を含む): 103543596

約数和(自身を除く): 72712476

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, 42821, 85642, 128463, 171284, 214105, 256926, 342568, 385389, 428210, 513852, 642315, 685136, 770778, 856420, 1027704, 1284630, 1541556, 1712840, 1926945, 2055408, 2569260, 3083112, 3425680, 3853890, 5138520, 6166224, 7707780, 10277040, 15415560, 30831120]

約数ペア:

[(1, 30831120), (2, 15415560), (3, 10277040), (4, 7707780), (5, 6166224), (6, 5138520), (8, 3853890), (9, 3425680), (10, 3083112), (12, 2569260), (15, 2055408), (16, 1926945), (18, 1712840), (20, 1541556), (24, 1284630), (30, 1027704), (36, 856420), (40, 770778), (45, 685136), (48, 642315), (60, 513852), (72, 428210), (80, 385389), (90, 342568), (120, 256926), (144, 214105), (180, 171284), (240, 128463), (360, 85642), (720, 42821)]