123415560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{342821}}^1$

素因数の和:342838

約数の個数: 48

約数和(自身を含む): 401101740

約数和(自身を除く): 277686180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 342821, 685642, 1028463, 1371284, 1714105, 2056926, 2742568, 3085389, 3428210, 4113852, 5142315, 6170778, 6856420, 8227704, 10284630, 12341556, 13712840, 15426945, 20569260, 24683112, 30853890, 41138520, 61707780, 123415560]

約数ペア:

[(1, 123415560), (2, 61707780), (3, 41138520), (4, 30853890), (5, 24683112), (6, 20569260), (8, 15426945), (9, 13712840), (10, 12341556), (12, 10284630), (15, 8227704), (18, 6856420), (20, 6170778), (24, 5142315), (30, 4113852), (36, 3428210), (40, 3085389), (45, 2742568), (60, 2056926), (72, 1714105), (90, 1371284), (120, 1028463), (180, 685642), (360, 342821)]