138715560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385321}}^1$

素因数の和:385338

約数の個数: 48

約数和(自身を含む): 450826740

約数和(自身を除く): 312111180

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, 385321, 770642, 1155963, 1541284, 1926605, 2311926, 3082568, 3467889, 3853210, 4623852, 5779815, 6935778, 7706420, 9247704, 11559630, 13871556, 15412840, 17339445, 23119260, 27743112, 34678890, 46238520, 69357780, 138715560]

約数ペア:

[(1, 138715560), (2, 69357780), (3, 46238520), (4, 34678890), (5, 27743112), (6, 23119260), (8, 17339445), (9, 15412840), (10, 13871556), (12, 11559630), (15, 9247704), (18, 7706420), (20, 6935778), (24, 5779815), (30, 4623852), (36, 3853210), (40, 3467889), (45, 3082568), (60, 2311926), (72, 1926605), (90, 1541284), (120, 1155963), (180, 770642), (360, 385321)]