21806880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:450

約数の個数: 96

約数和(自身を含む): 69346368

約数和(自身を除く): 47539488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 181, 240, 251, 362, 480, 502, 543, 724, 753, 905, 1004, 1086, 1255, 1448, 1506, 1810, 2008, 2172, 2510, 2715, 2896, 3012, 3620, 3765, 4016, 4344, 5020, 5430, 5792, 6024, 7240, 7530, 8032, 8688, 10040, 10860, 12048, 14480, 15060, 17376, 20080, 21720, 24096, 28960, 30120, 40160, 43440, 45431, 60240, 86880, 90862, 120480, 136293, 181724, 227155, 272586, 363448, 454310, 545172, 681465, 726896, 908620, 1090344, 1362930, 1453792, 1817240, 2180688, 2725860, 3634480, 4361376, 5451720, 7268960, 10903440, 21806880]

約数ペア:

[(1, 21806880), (2, 10903440), (3, 7268960), (4, 5451720), (5, 4361376), (6, 3634480), (8, 2725860), (10, 2180688), (12, 1817240), (15, 1453792), (16, 1362930), (20, 1090344), (24, 908620), (30, 726896), (32, 681465), (40, 545172), (48, 454310), (60, 363448), (80, 272586), (96, 227155), (120, 181724), (160, 136293), (181, 120480), (240, 90862), (251, 86880), (362, 60240), (480, 45431), (502, 43440), (543, 40160), (724, 30120), (753, 28960), (905, 24096), (1004, 21720), (1086, 20080), (1255, 17376), (1448, 15060), (1506, 14480), (1810, 12048), (2008, 10860), (2172, 10040), (2510, 8688), (2715, 8032), (2896, 7530), (3012, 7240), (3620, 6024), (3765, 5792), (4016, 5430), (4344, 5020)]