138661560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385171}}^1$

素因数の和:385188

約数の個数: 48

約数和(自身を含む): 450651240

約数和(自身を除く): 311989680

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, 385171, 770342, 1155513, 1540684, 1925855, 2311026, 3081368, 3466539, 3851710, 4622052, 5777565, 6933078, 7703420, 9244104, 11555130, 13866156, 15406840, 17332695, 23110260, 27732312, 34665390, 46220520, 69330780, 138661560]

約数ペア:

[(1, 138661560), (2, 69330780), (3, 46220520), (4, 34665390), (5, 27732312), (6, 23110260), (8, 17332695), (9, 15406840), (10, 13866156), (12, 11555130), (15, 9244104), (18, 7703420), (20, 6933078), (24, 5777565), (30, 4622052), (36, 3851710), (40, 3466539), (45, 3081368), (60, 2311026), (72, 1925855), (90, 1540684), (120, 1155513), (180, 770342), (360, 385171)]