28206461340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{624313}}^1$

素因数の和:624579

約数の個数: 72

約数和(自身を含む): 85900611888

約数和(自身を除く): 57694150548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 5020, 7530, 9036, 11295, 15060, 22590, 45180, 624313, 1248626, 1872939, 2497252, 3121565, 3745878, 5618817, 6243130, 7491756, 9364695, 11237634, 12486260, 18729390, 22475268, 28094085, 37458780, 56188170, 112376340, 156702563, 313405126, 470107689, 626810252, 783512815, 940215378, 1410323067, 1567025630, 1880430756, 2350538445, 2820646134, 3134051260, 4701076890, 5641292268, 7051615335, 9402153780, 14103230670, 28206461340]

約数ペア:

[(1, 28206461340), (2, 14103230670), (3, 9402153780), (4, 7051615335), (5, 5641292268), (6, 4701076890), (9, 3134051260), (10, 2820646134), (12, 2350538445), (15, 1880430756), (18, 1567025630), (20, 1410323067), (30, 940215378), (36, 783512815), (45, 626810252), (60, 470107689), (90, 313405126), (180, 156702563), (251, 112376340), (502, 56188170), (753, 37458780), (1004, 28094085), (1255, 22475268), (1506, 18729390), (2259, 12486260), (2510, 11237634), (3012, 9364695), (3765, 7491756), (4518, 6243130), (5020, 5618817), (7530, 3745878), (9036, 3121565), (11295, 2497252), (15060, 1872939), (22590, 1248626), (45180, 624313)]