78516620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6163}}^1$

素因数の和:6199

約数の個数: 72

約数和(自身を含む): 206592624

約数和(自身を除く): 128076004

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6163, 6370, 12326, 12740, 24652, 30815, 43141, 61630, 80119, 86282, 123260, 160238, 172564, 215705, 301987, 320476, 400595, 431410, 560833, 603974, 801190, 862820, 1121666, 1207948, 1509935, 1602380, 2243332, 2804165, 3019870, 3925831, 5608330, 6039740, 7851662, 11216660, 15703324, 19629155, 39258310, 78516620]

約数ペア:

[(1, 78516620), (2, 39258310), (4, 19629155), (5, 15703324), (7, 11216660), (10, 7851662), (13, 6039740), (14, 5608330), (20, 3925831), (26, 3019870), (28, 2804165), (35, 2243332), (49, 1602380), (52, 1509935), (65, 1207948), (70, 1121666), (91, 862820), (98, 801190), (130, 603974), (140, 560833), (182, 431410), (196, 400595), (245, 320476), (260, 301987), (364, 215705), (455, 172564), (490, 160238), (637, 123260), (910, 86282), (980, 80119), (1274, 61630), (1820, 43141), (2548, 30815), (3185, 24652), (6163, 12740), (6370, 12326)]