131265160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 348364800

約数和(自身を除く): 217099640

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 221, 248, 260, 310, 340, 403, 442, 479, 520, 527, 620, 680, 806, 884, 958, 1054, 1105, 1240, 1612, 1768, 1916, 2015, 2108, 2210, 2395, 2635, 3224, 3832, 4030, 4216, 4420, 4790, 5270, 6227, 6851, 8060, 8143, 8840, 9580, 10540, 12454, 13702, 14849, 16120, 16286, 19160, 21080, 24908, 27404, 29698, 31135, 32572, 34255, 40715, 49816, 54808, 59396, 62270, 65144, 68510, 74245, 81430, 105859, 118792, 124540, 137020, 148490, 162860, 193037, 211718, 249080, 252433, 274040, 296980, 325720, 386074, 423436, 504866, 529295, 593960, 772148, 846872, 965185, 1009732, 1058590, 1262165, 1544296, 1930370, 2019464, 2117180, 2524330, 3281629, 3860740, 4234360, 5048660, 6563258, 7721480, 10097320, 13126516, 16408145, 26253032, 32816290, 65632580, 131265160]

約数ペア:

[(1, 131265160), (2, 65632580), (4, 32816290), (5, 26253032), (8, 16408145), (10, 13126516), (13, 10097320), (17, 7721480), (20, 6563258), (26, 5048660), (31, 4234360), (34, 3860740), (40, 3281629), (52, 2524330), (62, 2117180), (65, 2019464), (68, 1930370), (85, 1544296), (104, 1262165), (124, 1058590), (130, 1009732), (136, 965185), (155, 846872), (170, 772148), (221, 593960), (248, 529295), (260, 504866), (310, 423436), (340, 386074), (403, 325720), (442, 296980), (479, 274040), (520, 252433), (527, 249080), (620, 211718), (680, 193037), (806, 162860), (884, 148490), (958, 137020), (1054, 124540), (1105, 118792), (1240, 105859), (1612, 81430), (1768, 74245), (1916, 68510), (2015, 65144), (2108, 62270), (2210, 59396), (2395, 54808), (2635, 49816), (3224, 40715), (3832, 34255), (4030, 32572), (4216, 31135), (4420, 29698), (4790, 27404), (5270, 24908), (6227, 21080), (6851, 19160), (8060, 16286), (8143, 16120), (8840, 14849), (9580, 13702), (10540, 12454)]