305602960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9479}}^1$

素因数の和:9536

約数の個数: 80

約数和(自身を含む): 789949440

約数和(自身を除く): 484346480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 9479, 16120, 18958, 32240, 37916, 47395, 75832, 94790, 123227, 151664, 189580, 246454, 293849, 379160, 492908, 587698, 616135, 758320, 985816, 1175396, 1232270, 1469245, 1971632, 2350792, 2464540, 2938490, 3820037, 4701584, 4929080, 5876980, 7640074, 9858160, 11753960, 15280148, 19100185, 23507920, 30560296, 38200370, 61120592, 76400740, 152801480, 305602960]

約数ペア:

[(1, 305602960), (2, 152801480), (4, 76400740), (5, 61120592), (8, 38200370), (10, 30560296), (13, 23507920), (16, 19100185), (20, 15280148), (26, 11753960), (31, 9858160), (40, 7640074), (52, 5876980), (62, 4929080), (65, 4701584), (80, 3820037), (104, 2938490), (124, 2464540), (130, 2350792), (155, 1971632), (208, 1469245), (248, 1232270), (260, 1175396), (310, 985816), (403, 758320), (496, 616135), (520, 587698), (620, 492908), (806, 379160), (1040, 293849), (1240, 246454), (1612, 189580), (2015, 151664), (2480, 123227), (3224, 94790), (4030, 75832), (6448, 47395), (8060, 37916), (9479, 32240), (16120, 18958)]