21263199840

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{546893}}^1$

素因数の和:546923

約数の個数: 144

約数和(自身を含む): 75248239248

約数和(自身を除く): 53985039408

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, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 12960, 19440, 38880, 546893, 1093786, 1640679, 2187572, 2734465, 3281358, 4375144, 4922037, 5468930, 6562716, 8203395, 8750288, 9844074, 10937860, 13125432, 14766111, 16406790, 17500576, 19688148, 21875720, 24610185, 26250864, 29532222, 32813580, 39376296, 43751440, 44298333, 49220370, 52501728, 59064444, 65627160, 73830555, 78752592, 87502880, 88596666, 98440740, 118128888, 131254320, 132894999, 147661110, 157505184, 177193332, 196881480, 221491665, 236257776, 262508640, 265789998, 295322220, 354386664, 393762960, 442983330, 472515552, 531579996, 590644440, 664474995, 708773328, 787525920, 885966660, 1063159992, 1181288880, 1328949990, 1417546656, 1771933320, 2126319984, 2362577760, 2657899980, 3543866640, 4252639968, 5315799960, 7087733280, 10631599920, 21263199840]

約数ペア:

[(1, 21263199840), (2, 10631599920), (3, 7087733280), (4, 5315799960), (5, 4252639968), (6, 3543866640), (8, 2657899980), (9, 2362577760), (10, 2126319984), (12, 1771933320), (15, 1417546656), (16, 1328949990), (18, 1181288880), (20, 1063159992), (24, 885966660), (27, 787525920), (30, 708773328), (32, 664474995), (36, 590644440), (40, 531579996), (45, 472515552), (48, 442983330), (54, 393762960), (60, 354386664), (72, 295322220), (80, 265789998), (81, 262508640), (90, 236257776), (96, 221491665), (108, 196881480), (120, 177193332), (135, 157505184), (144, 147661110), (160, 132894999), (162, 131254320), (180, 118128888), (216, 98440740), (240, 88596666), (243, 87502880), (270, 78752592), (288, 73830555), (324, 65627160), (360, 59064444), (405, 52501728), (432, 49220370), (480, 44298333), (486, 43751440), (540, 39376296), (648, 32813580), (720, 29532222), (810, 26250864), (864, 24610185), (972, 21875720), (1080, 19688148), (1215, 17500576), (1296, 16406790), (1440, 14766111), (1620, 13125432), (1944, 10937860), (2160, 9844074), (2430, 8750288), (2592, 8203395), (3240, 6562716), (3888, 5468930), (4320, 4922037), (4860, 4375144), (6480, 3281358), (7776, 2734465), (9720, 2187572), (12960, 1640679), (19440, 1093786), (38880, 546893)]