138578760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{384941}}^1$

素因数の和:384958

約数の個数: 48

約数和(自身を含む): 450382140

約数和(自身を除く): 311803380

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, 384941, 769882, 1154823, 1539764, 1924705, 2309646, 3079528, 3464469, 3849410, 4619292, 5774115, 6928938, 7698820, 9238584, 11548230, 13857876, 15397640, 17322345, 23096460, 27715752, 34644690, 46192920, 69289380, 138578760]

約数ペア:

[(1, 138578760), (2, 69289380), (3, 46192920), (4, 34644690), (5, 27715752), (6, 23096460), (8, 17322345), (9, 15397640), (10, 13857876), (12, 11548230), (15, 9238584), (18, 7698820), (20, 6928938), (24, 5774115), (30, 4619292), (36, 3849410), (40, 3464469), (45, 3079528), (60, 2309646), (72, 1924705), (90, 1539764), (120, 1154823), (180, 769882), (360, 384941)]