8978481720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{639493}}^1$

素因数の和:639526

約数の個数: 128

約数和(自身を含む): 32230497600

約数和(自身を除く): 23252015880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 639493, 1278986, 1918479, 2557972, 3197465, 3836958, 5115944, 5755437, 6394930, 7673916, 8313409, 9592395, 11510874, 12789860, 15347832, 16626818, 17266311, 19184790, 23021748, 24940227, 25579720, 28777185, 33253636, 34532622, 38369580, 41567045, 46043496, 49880454, 57554370, 66507272, 69065244, 74820681, 76739160, 83134090, 86331555, 99760908, 115108740, 124701135, 138130488, 149641362, 166268180, 172663110, 199521816, 224462043, 230217480, 249402270, 299282724, 332536360, 345326220, 374103405, 448924086, 498804540, 598565448, 690652440, 748206810, 897848172, 997609080, 1122310215, 1496413620, 1795696344, 2244620430, 2992827240, 4489240860, 8978481720]

約数ペア:

[(1, 8978481720), (2, 4489240860), (3, 2992827240), (4, 2244620430), (5, 1795696344), (6, 1496413620), (8, 1122310215), (9, 997609080), (10, 897848172), (12, 748206810), (13, 690652440), (15, 598565448), (18, 498804540), (20, 448924086), (24, 374103405), (26, 345326220), (27, 332536360), (30, 299282724), (36, 249402270), (39, 230217480), (40, 224462043), (45, 199521816), (52, 172663110), (54, 166268180), (60, 149641362), (65, 138130488), (72, 124701135), (78, 115108740), (90, 99760908), (104, 86331555), (108, 83134090), (117, 76739160), (120, 74820681), (130, 69065244), (135, 66507272), (156, 57554370), (180, 49880454), (195, 46043496), (216, 41567045), (234, 38369580), (260, 34532622), (270, 33253636), (312, 28777185), (351, 25579720), (360, 24940227), (390, 23021748), (468, 19184790), (520, 17266311), (540, 16626818), (585, 15347832), (702, 12789860), (780, 11510874), (936, 9592395), (1080, 8313409), (1170, 7673916), (1404, 6394930), (1560, 5755437), (1755, 5115944), (2340, 3836958), (2808, 3197465), (3510, 2557972), (4680, 1918479), (7020, 1278986), (14040, 639493)]