21178350720

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{408533}}^1$

素因数の和:408564

約数の個数: 160

約数和(自身を含む): 75631899420

約数和(自身を除く): 54453548700

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 5184, 5760, 6480, 8640, 10368, 12960, 17280, 25920, 51840, 408533, 817066, 1225599, 1634132, 2042665, 2451198, 3268264, 3676797, 4085330, 4902396, 6127995, 6536528, 7353594, 8170660, 9804792, 11030391, 12255990, 13073056, 14707188, 16341320, 18383985, 19609584, 22060782, 24511980, 26146112, 29414376, 32682640, 33091173, 36767970, 39219168, 44121564, 49023960, 52292224, 55151955, 58828752, 65365280, 66182346, 73535940, 78438336, 88243128, 98047920, 110303910, 117657504, 130730560, 132364692, 147071880, 156876672, 165455865, 176486256, 196095840, 220607820, 235315008, 261461120, 264729384, 294143760, 330911730, 352972512, 392191680, 441215640, 470630016, 529458768, 588287520, 661823460, 705945024, 784383360, 882431280, 1058917536, 1176575040, 1323646920, 1411890048, 1764862560, 2117835072, 2353150080, 2647293840, 3529725120, 4235670144, 5294587680, 7059450240, 10589175360, 21178350720]

約数ペア:

[(1, 21178350720), (2, 10589175360), (3, 7059450240), (4, 5294587680), (5, 4235670144), (6, 3529725120), (8, 2647293840), (9, 2353150080), (10, 2117835072), (12, 1764862560), (15, 1411890048), (16, 1323646920), (18, 1176575040), (20, 1058917536), (24, 882431280), (27, 784383360), (30, 705945024), (32, 661823460), (36, 588287520), (40, 529458768), (45, 470630016), (48, 441215640), (54, 392191680), (60, 352972512), (64, 330911730), (72, 294143760), (80, 264729384), (81, 261461120), (90, 235315008), (96, 220607820), (108, 196095840), (120, 176486256), (128, 165455865), (135, 156876672), (144, 147071880), (160, 132364692), (162, 130730560), (180, 117657504), (192, 110303910), (216, 98047920), (240, 88243128), (270, 78438336), (288, 73535940), (320, 66182346), (324, 65365280), (360, 58828752), (384, 55151955), (405, 52292224), (432, 49023960), (480, 44121564), (540, 39219168), (576, 36767970), (640, 33091173), (648, 32682640), (720, 29414376), (810, 26146112), (864, 24511980), (960, 22060782), (1080, 19609584), (1152, 18383985), (1296, 16341320), (1440, 14707188), (1620, 13073056), (1728, 12255990), (1920, 11030391), (2160, 9804792), (2592, 8170660), (2880, 7353594), (3240, 6536528), (3456, 6127995), (4320, 4902396), (5184, 4085330), (5760, 3676797), (6480, 3268264), (8640, 2451198), (10368, 2042665), (12960, 1634132), (17280, 1225599), (25920, 817066), (51840, 408533)]