1289818080

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{99523}}^1$

素因数の和:99550

約数の個数: 120

約数和(自身を含む): 4552028712

約数和(自身を除く): 3262210632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 99523, 199046, 298569, 398092, 497615, 597138, 796184, 895707, 995230, 1194276, 1492845, 1592368, 1791414, 1990460, 2388552, 2687121, 2985690, 3184736, 3582828, 3980920, 4478535, 4777104, 5374242, 5971380, 7165656, 7961840, 8061363, 8957070, 9554208, 10748484, 11942760, 13435605, 14331312, 15923680, 16122726, 17914140, 21496968, 23885520, 26871210, 28662624, 32245452, 35828280, 40306815, 42993936, 47771040, 53742420, 64490904, 71656560, 80613630, 85987872, 107484840, 128981808, 143313120, 161227260, 214969680, 257963616, 322454520, 429939360, 644909040, 1289818080]

約数ペア:

[(1, 1289818080), (2, 644909040), (3, 429939360), (4, 322454520), (5, 257963616), (6, 214969680), (8, 161227260), (9, 143313120), (10, 128981808), (12, 107484840), (15, 85987872), (16, 80613630), (18, 71656560), (20, 64490904), (24, 53742420), (27, 47771040), (30, 42993936), (32, 40306815), (36, 35828280), (40, 32245452), (45, 28662624), (48, 26871210), (54, 23885520), (60, 21496968), (72, 17914140), (80, 16122726), (81, 15923680), (90, 14331312), (96, 13435605), (108, 11942760), (120, 10748484), (135, 9554208), (144, 8957070), (160, 8061363), (162, 7961840), (180, 7165656), (216, 5971380), (240, 5374242), (270, 4777104), (288, 4478535), (324, 3980920), (360, 3582828), (405, 3184736), (432, 2985690), (480, 2687121), (540, 2388552), (648, 1990460), (720, 1791414), (810, 1592368), (864, 1492845), (1080, 1194276), (1296, 995230), (1440, 895707), (1620, 796184), (2160, 597138), (2592, 497615), (3240, 398092), (4320, 298569), (6480, 199046), (12960, 99523)]