51994260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 173496960

約数和(自身を除く): 121502700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 661, 684, 690, 828, 855, 874, 1035, 1140, 1311, 1322, 1380, 1710, 1748, 1983, 2070, 2185, 2622, 2644, 3305, 3420, 3933, 3966, 4140, 4370, 5244, 5949, 6555, 6610, 7866, 7932, 8740, 9915, 11898, 12559, 13110, 13220, 15203, 15732, 19665, 19830, 23796, 25118, 26220, 29745, 30406, 37677, 39330, 39660, 45609, 50236, 59490, 60812, 62795, 75354, 76015, 78660, 91218, 113031, 118980, 125590, 136827, 150708, 152030, 182436, 188385, 226062, 228045, 251180, 273654, 288857, 304060, 376770, 452124, 456090, 547308, 565155, 577714, 684135, 753540, 866571, 912180, 1130310, 1155428, 1368270, 1444285, 1733142, 2260620, 2599713, 2736540, 2888570, 3466284, 4332855, 5199426, 5777140, 8665710, 10398852, 12998565, 17331420, 25997130, 51994260]

約数ペア:

[(1, 51994260), (2, 25997130), (3, 17331420), (4, 12998565), (5, 10398852), (6, 8665710), (9, 5777140), (10, 5199426), (12, 4332855), (15, 3466284), (18, 2888570), (19, 2736540), (20, 2599713), (23, 2260620), (30, 1733142), (36, 1444285), (38, 1368270), (45, 1155428), (46, 1130310), (57, 912180), (60, 866571), (69, 753540), (76, 684135), (90, 577714), (92, 565155), (95, 547308), (114, 456090), (115, 452124), (138, 376770), (171, 304060), (180, 288857), (190, 273654), (207, 251180), (228, 228045), (230, 226062), (276, 188385), (285, 182436), (342, 152030), (345, 150708), (380, 136827), (414, 125590), (437, 118980), (460, 113031), (570, 91218), (661, 78660), (684, 76015), (690, 75354), (828, 62795), (855, 60812), (874, 59490), (1035, 50236), (1140, 45609), (1311, 39660), (1322, 39330), (1380, 37677), (1710, 30406), (1748, 29745), (1983, 26220), (2070, 25118), (2185, 23796), (2622, 19830), (2644, 19665), (3305, 15732), (3420, 15203), (3933, 13220), (3966, 13110), (4140, 12559), (4370, 11898), (5244, 9915), (5949, 8740), (6555, 7932), (6610, 7866)]