21095889480

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1009}}^1$

素因数の和:1280

約数の個数: 256

約数和(自身を含む): 71556480000

約数和(自身を除く): 50460590520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 239, 243, 270, 324, 360, 405, 478, 486, 540, 648, 717, 729, 810, 956, 972, 1009, 1080, 1195, 1215, 1434, 1458, 1620, 1912, 1944, 2018, 2151, 2187, 2390, 2430, 2868, 2916, 3027, 3240, 3585, 3645, 4036, 4302, 4374, 4780, 4860, 5045, 5736, 5832, 6054, 6453, 7170, 7290, 8072, 8604, 8748, 9081, 9560, 9720, 10090, 10755, 10935, 12108, 12906, 14340, 14580, 15135, 17208, 17496, 18162, 19359, 20180, 21510, 21870, 24216, 25812, 27243, 28680, 29160, 30270, 32265, 36324, 38718, 40360, 43020, 43740, 45405, 51624, 54486, 58077, 60540, 64530, 72648, 77436, 81729, 86040, 87480, 90810, 96795, 108972, 116154, 121080, 129060, 136215, 154872, 163458, 174231, 181620, 193590, 217944, 232308, 241151, 245187, 258120, 272430, 290385, 326916, 348462, 363240, 387180, 408645, 464616, 482302, 490374, 522693, 544860, 580770, 653832, 696924, 723453, 735561, 774360, 817290, 871155, 964604, 980748, 1045386, 1089720, 1161540, 1205755, 1225935, 1393848, 1446906, 1471122, 1634580, 1742310, 1929208, 1961496, 2090772, 2170359, 2206683, 2323080, 2411510, 2451870, 2613465, 2893812, 2942244, 3269160, 3484620, 3617265, 3677805, 4181544, 4340718, 4413366, 4823020, 4903740, 5226930, 5787624, 5884488, 6511077, 6969240, 7234530, 7355610, 8681436, 8826732, 9646040, 9807480, 10453860, 10851795, 11033415, 13022154, 14469060, 14711220, 17362872, 17653464, 19533231, 20907720, 21703590, 22066830, 26044308, 28938120, 29422440, 32555385, 39066462, 43407180, 44133660, 52088616, 58599693, 65110770, 78132924, 86814360, 88267320, 97666155, 117199386, 130221540, 156265848, 175799079, 195332310, 234398772, 260443080, 292998465, 351598158, 390664620, 468797544, 527397237, 585996930, 703196316, 781329240, 878995395, 1054794474, 1171993860, 1406392632, 1757990790, 2109588948, 2343987720, 2636986185, 3515981580, 4219177896, 5273972370, 7031963160, 10547944740, 21095889480]

約数ペア:

[(1, 21095889480), (2, 10547944740), (3, 7031963160), (4, 5273972370), (5, 4219177896), (6, 3515981580), (8, 2636986185), (9, 2343987720), (10, 2109588948), (12, 1757990790), (15, 1406392632), (18, 1171993860), (20, 1054794474), (24, 878995395), (27, 781329240), (30, 703196316), (36, 585996930), (40, 527397237), (45, 468797544), (54, 390664620), (60, 351598158), (72, 292998465), (81, 260443080), (90, 234398772), (108, 195332310), (120, 175799079), (135, 156265848), (162, 130221540), (180, 117199386), (216, 97666155), (239, 88267320), (243, 86814360), (270, 78132924), (324, 65110770), (360, 58599693), (405, 52088616), (478, 44133660), (486, 43407180), (540, 39066462), (648, 32555385), (717, 29422440), (729, 28938120), (810, 26044308), (956, 22066830), (972, 21703590), (1009, 20907720), (1080, 19533231), (1195, 17653464), (1215, 17362872), (1434, 14711220), (1458, 14469060), (1620, 13022154), (1912, 11033415), (1944, 10851795), (2018, 10453860), (2151, 9807480), (2187, 9646040), (2390, 8826732), (2430, 8681436), (2868, 7355610), (2916, 7234530), (3027, 6969240), (3240, 6511077), (3585, 5884488), (3645, 5787624), (4036, 5226930), (4302, 4903740), (4374, 4823020), (4780, 4413366), (4860, 4340718), (5045, 4181544), (5736, 3677805), (5832, 3617265), (6054, 3484620), (6453, 3269160), (7170, 2942244), (7290, 2893812), (8072, 2613465), (8604, 2451870), (8748, 2411510), (9081, 2323080), (9560, 2206683), (9720, 2170359), (10090, 2090772), (10755, 1961496), (10935, 1929208), (12108, 1742310), (12906, 1634580), (14340, 1471122), (14580, 1446906), (15135, 1393848), (17208, 1225935), (17496, 1205755), (18162, 1161540), (19359, 1089720), (20180, 1045386), (21510, 980748), (21870, 964604), (24216, 871155), (25812, 817290), (27243, 774360), (28680, 735561), (29160, 723453), (30270, 696924), (32265, 653832), (36324, 580770), (38718, 544860), (40360, 522693), (43020, 490374), (43740, 482302), (45405, 464616), (51624, 408645), (54486, 387180), (58077, 363240), (60540, 348462), (64530, 326916), (72648, 290385), (77436, 272430), (81729, 258120), (86040, 245187), (87480, 241151), (90810, 232308), (96795, 217944), (108972, 193590), (116154, 181620), (121080, 174231), (129060, 163458), (136215, 154872)]