138721680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{64223}}^1$

素因数の和:64245

約数の個数: 80

約数和(自身を含む): 477826560

約数和(自身を除く): 339104880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 64223, 128446, 192669, 256892, 321115, 385338, 513784, 578007, 642230, 770676, 963345, 1027568, 1156014, 1284460, 1541352, 1734021, 1926690, 2312028, 2568920, 2890035, 3082704, 3468042, 3853380, 4624056, 5137840, 5780070, 6936084, 7706760, 8670105, 9248112, 11560140, 13872168, 15413520, 17340210, 23120280, 27744336, 34680420, 46240560, 69360840, 138721680]

約数ペア:

[(1, 138721680), (2, 69360840), (3, 46240560), (4, 34680420), (5, 27744336), (6, 23120280), (8, 17340210), (9, 15413520), (10, 13872168), (12, 11560140), (15, 9248112), (16, 8670105), (18, 7706760), (20, 6936084), (24, 5780070), (27, 5137840), (30, 4624056), (36, 3853380), (40, 3468042), (45, 3082704), (48, 2890035), (54, 2568920), (60, 2312028), (72, 1926690), (80, 1734021), (90, 1541352), (108, 1284460), (120, 1156014), (135, 1027568), (144, 963345), (180, 770676), (216, 642230), (240, 578007), (270, 513784), (360, 385338), (432, 321115), (540, 256892), (720, 192669), (1080, 128446), (2160, 64223)]