78788340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19031}}^1$

素因数の和:19069

約数の個数: 72

約数和(自身を含む): 249395328

約数和(自身を除く): 170606988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19031, 38062, 57093, 76124, 95155, 114186, 171279, 190310, 228372, 285465, 342558, 380620, 437713, 570930, 685116, 856395, 875426, 1141860, 1313139, 1712790, 1750852, 2188565, 2626278, 3425580, 3939417, 4377130, 5252556, 6565695, 7878834, 8754260, 13131390, 15757668, 19697085, 26262780, 39394170, 78788340]

約数ペア:

[(1, 78788340), (2, 39394170), (3, 26262780), (4, 19697085), (5, 15757668), (6, 13131390), (9, 8754260), (10, 7878834), (12, 6565695), (15, 5252556), (18, 4377130), (20, 3939417), (23, 3425580), (30, 2626278), (36, 2188565), (45, 1750852), (46, 1712790), (60, 1313139), (69, 1141860), (90, 875426), (92, 856395), (115, 685116), (138, 570930), (180, 437713), (207, 380620), (230, 342558), (276, 285465), (345, 228372), (414, 190310), (460, 171279), (690, 114186), (828, 95155), (1035, 76124), (1380, 57093), (2070, 38062), (4140, 19031)]