21250926720

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{409933}}^1$

素因数の和:409964

約数の個数: 160

約数和(自身を含む): 75891081420

約数和(自身を除く): 54640154700

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, 409933, 819866, 1229799, 1639732, 2049665, 2459598, 3279464, 3689397, 4099330, 4919196, 6148995, 6558928, 7378794, 8198660, 9838392, 11068191, 12297990, 13117856, 14757588, 16397320, 18446985, 19676784, 22136382, 24595980, 26235712, 29515176, 32794640, 33204573, 36893970, 39353568, 44272764, 49191960, 52471424, 55340955, 59030352, 65589280, 66409146, 73787940, 78707136, 88545528, 98383920, 110681910, 118060704, 131178560, 132818292, 147575880, 157414272, 166022865, 177091056, 196767840, 221363820, 236121408, 262357120, 265636584, 295151760, 332045730, 354182112, 393535680, 442727640, 472242816, 531273168, 590303520, 664091460, 708364224, 787071360, 885455280, 1062546336, 1180607040, 1328182920, 1416728448, 1770910560, 2125092672, 2361214080, 2656365840, 3541821120, 4250185344, 5312731680, 7083642240, 10625463360, 21250926720]

約数ペア:

[(1, 21250926720), (2, 10625463360), (3, 7083642240), (4, 5312731680), (5, 4250185344), (6, 3541821120), (8, 2656365840), (9, 2361214080), (10, 2125092672), (12, 1770910560), (15, 1416728448), (16, 1328182920), (18, 1180607040), (20, 1062546336), (24, 885455280), (27, 787071360), (30, 708364224), (32, 664091460), (36, 590303520), (40, 531273168), (45, 472242816), (48, 442727640), (54, 393535680), (60, 354182112), (64, 332045730), (72, 295151760), (80, 265636584), (81, 262357120), (90, 236121408), (96, 221363820), (108, 196767840), (120, 177091056), (128, 166022865), (135, 157414272), (144, 147575880), (160, 132818292), (162, 131178560), (180, 118060704), (192, 110681910), (216, 98383920), (240, 88545528), (270, 78707136), (288, 73787940), (320, 66409146), (324, 65589280), (360, 59030352), (384, 55340955), (405, 52471424), (432, 49191960), (480, 44272764), (540, 39353568), (576, 36893970), (640, 33204573), (648, 32794640), (720, 29515176), (810, 26235712), (864, 24595980), (960, 22136382), (1080, 19676784), (1152, 18446985), (1296, 16397320), (1440, 14757588), (1620, 13117856), (1728, 12297990), (1920, 11068191), (2160, 9838392), (2592, 8198660), (2880, 7378794), (3240, 6558928), (3456, 6148995), (4320, 4919196), (5184, 4099330), (5760, 3689397), (6480, 3279464), (8640, 2459598), (10368, 2049665), (12960, 1639732), (17280, 1229799), (25920, 819866), (51840, 409933)]