312792660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8821}}^1$

素因数の和:9033

約数の個数: 72

約数和(自身を含む): 953728776

約数和(自身を除く): 640936116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5910, 7092, 8821, 8865, 11820, 17642, 17730, 26463, 35284, 35460, 44105, 52926, 79389, 88210, 105852, 132315, 158778, 176420, 264630, 317556, 396945, 529260, 793890, 1587780, 1737737, 3475474, 5213211, 6950948, 8688685, 10426422, 15639633, 17377370, 20852844, 26066055, 31279266, 34754740, 52132110, 62558532, 78198165, 104264220, 156396330, 312792660]

約数ペア:

[(1, 312792660), (2, 156396330), (3, 104264220), (4, 78198165), (5, 62558532), (6, 52132110), (9, 34754740), (10, 31279266), (12, 26066055), (15, 20852844), (18, 17377370), (20, 15639633), (30, 10426422), (36, 8688685), (45, 6950948), (60, 5213211), (90, 3475474), (180, 1737737), (197, 1587780), (394, 793890), (591, 529260), (788, 396945), (985, 317556), (1182, 264630), (1773, 176420), (1970, 158778), (2364, 132315), (2955, 105852), (3546, 88210), (3940, 79389), (5910, 52926), (7092, 44105), (8821, 35460), (8865, 35284), (11820, 26463), (17642, 17730)]