262530320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:553

約数の個数: 160

約数和(自身を含む): 719953920

約数和(自身を除く): 457423600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 170, 208, 221, 248, 260, 272, 310, 340, 403, 442, 479, 496, 520, 527, 620, 680, 806, 884, 958, 1040, 1054, 1105, 1240, 1360, 1612, 1768, 1916, 2015, 2108, 2210, 2395, 2480, 2635, 3224, 3536, 3832, 4030, 4216, 4420, 4790, 5270, 6227, 6448, 6851, 7664, 8060, 8143, 8432, 8840, 9580, 10540, 12454, 13702, 14849, 16120, 16286, 17680, 19160, 21080, 24908, 27404, 29698, 31135, 32240, 32572, 34255, 38320, 40715, 42160, 49816, 54808, 59396, 62270, 65144, 68510, 74245, 81430, 99632, 105859, 109616, 118792, 124540, 130288, 137020, 148490, 162860, 193037, 211718, 237584, 249080, 252433, 274040, 296980, 325720, 386074, 423436, 498160, 504866, 529295, 548080, 593960, 651440, 772148, 846872, 965185, 1009732, 1058590, 1187920, 1262165, 1544296, 1693744, 1930370, 2019464, 2117180, 2524330, 3088592, 3281629, 3860740, 4038928, 4234360, 5048660, 6563258, 7721480, 8468720, 10097320, 13126516, 15442960, 16408145, 20194640, 26253032, 32816290, 52506064, 65632580, 131265160, 262530320]

約数ペア:

[(1, 262530320), (2, 131265160), (4, 65632580), (5, 52506064), (8, 32816290), (10, 26253032), (13, 20194640), (16, 16408145), (17, 15442960), (20, 13126516), (26, 10097320), (31, 8468720), (34, 7721480), (40, 6563258), (52, 5048660), (62, 4234360), (65, 4038928), (68, 3860740), (80, 3281629), (85, 3088592), (104, 2524330), (124, 2117180), (130, 2019464), (136, 1930370), (155, 1693744), (170, 1544296), (208, 1262165), (221, 1187920), (248, 1058590), (260, 1009732), (272, 965185), (310, 846872), (340, 772148), (403, 651440), (442, 593960), (479, 548080), (496, 529295), (520, 504866), (527, 498160), (620, 423436), (680, 386074), (806, 325720), (884, 296980), (958, 274040), (1040, 252433), (1054, 249080), (1105, 237584), (1240, 211718), (1360, 193037), (1612, 162860), (1768, 148490), (1916, 137020), (2015, 130288), (2108, 124540), (2210, 118792), (2395, 109616), (2480, 105859), (2635, 99632), (3224, 81430), (3536, 74245), (3832, 68510), (4030, 65144), (4216, 62270), (4420, 59396), (4790, 54808), (5270, 49816), (6227, 42160), (6448, 40715), (6851, 38320), (7664, 34255), (8060, 32572), (8143, 32240), (8432, 31135), (8840, 29698), (9580, 27404), (10540, 24908), (12454, 21080), (13702, 19160), (14849, 17680), (16120, 16286)]