77214800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:541

約数の個数: 120

約数和(自身を含む): 206653440

約数和(自身を除く): 129438640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 479, 496, 520, 620, 650, 775, 806, 958, 1040, 1240, 1300, 1550, 1612, 1916, 2015, 2395, 2480, 2600, 3100, 3224, 3832, 4030, 4790, 5200, 6200, 6227, 6448, 7664, 8060, 9580, 10075, 11975, 12400, 12454, 14849, 16120, 19160, 20150, 23950, 24908, 29698, 31135, 32240, 38320, 40300, 47900, 49816, 59396, 62270, 74245, 80600, 95800, 99632, 118792, 124540, 148490, 155675, 161200, 191600, 193037, 237584, 249080, 296980, 311350, 371225, 386074, 498160, 593960, 622700, 742450, 772148, 965185, 1187920, 1245400, 1484900, 1544296, 1930370, 2490800, 2969800, 3088592, 3860740, 4825925, 5939600, 7721480, 9651850, 15442960, 19303700, 38607400, 77214800]

約数ペア:

[(1, 77214800), (2, 38607400), (4, 19303700), (5, 15442960), (8, 9651850), (10, 7721480), (13, 5939600), (16, 4825925), (20, 3860740), (25, 3088592), (26, 2969800), (31, 2490800), (40, 1930370), (50, 1544296), (52, 1484900), (62, 1245400), (65, 1187920), (80, 965185), (100, 772148), (104, 742450), (124, 622700), (130, 593960), (155, 498160), (200, 386074), (208, 371225), (248, 311350), (260, 296980), (310, 249080), (325, 237584), (400, 193037), (403, 191600), (479, 161200), (496, 155675), (520, 148490), (620, 124540), (650, 118792), (775, 99632), (806, 95800), (958, 80600), (1040, 74245), (1240, 62270), (1300, 59396), (1550, 49816), (1612, 47900), (1916, 40300), (2015, 38320), (2395, 32240), (2480, 31135), (2600, 29698), (3100, 24908), (3224, 23950), (3832, 20150), (4030, 19160), (4790, 16120), (5200, 14849), (6200, 12454), (6227, 12400), (6448, 11975), (7664, 10075), (8060, 9580)]