157536720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19891}}^1$

素因数の和:19921

約数の個数: 120

約数和(自身を含む): 577186272

約数和(自身を除く): 419649552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 19891, 39782, 59673, 79564, 99455, 119346, 159128, 179019, 198910, 218801, 238692, 298365, 318256, 358038, 397820, 437602, 477384, 596730, 656403, 716076, 795640, 875204, 895095, 954768, 1094005, 1193460, 1312806, 1432152, 1591280, 1750408, 1790190, 1969209, 2188010, 2386920, 2625612, 2864304, 3282015, 3500816, 3580380, 3938418, 4376020, 4773840, 5251224, 6564030, 7160760, 7876836, 8752040, 9846045, 10502448, 13128060, 14321520, 15753672, 17504080, 19692090, 26256120, 31507344, 39384180, 52512240, 78768360, 157536720]

約数ペア:

[(1, 157536720), (2, 78768360), (3, 52512240), (4, 39384180), (5, 31507344), (6, 26256120), (8, 19692090), (9, 17504080), (10, 15753672), (11, 14321520), (12, 13128060), (15, 10502448), (16, 9846045), (18, 8752040), (20, 7876836), (22, 7160760), (24, 6564030), (30, 5251224), (33, 4773840), (36, 4376020), (40, 3938418), (44, 3580380), (45, 3500816), (48, 3282015), (55, 2864304), (60, 2625612), (66, 2386920), (72, 2188010), (80, 1969209), (88, 1790190), (90, 1750408), (99, 1591280), (110, 1432152), (120, 1312806), (132, 1193460), (144, 1094005), (165, 954768), (176, 895095), (180, 875204), (198, 795640), (220, 716076), (240, 656403), (264, 596730), (330, 477384), (360, 437602), (396, 397820), (440, 358038), (495, 318256), (528, 298365), (660, 238692), (720, 218801), (792, 198910), (880, 179019), (990, 159128), (1320, 119346), (1584, 99455), (1980, 79564), (2640, 59673), (3960, 39782), (7920, 19891)]