646775280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:837

約数の個数: 200

約数和(自身を含む): 2264643744

約数和(自身を除く): 1617868464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 151, 162, 180, 216, 240, 270, 302, 324, 360, 405, 432, 453, 540, 604, 648, 661, 720, 755, 810, 906, 1080, 1208, 1296, 1322, 1359, 1510, 1620, 1812, 1983, 2160, 2265, 2416, 2644, 2718, 3020, 3240, 3305, 3624, 3966, 4077, 4530, 5288, 5436, 5949, 6040, 6480, 6610, 6795, 7248, 7932, 8154, 9060, 9915, 10576, 10872, 11898, 12080, 12231, 13220, 13590, 15864, 16308, 17847, 18120, 19830, 20385, 21744, 23796, 24462, 26440, 27180, 29745, 31728, 32616, 35694, 36240, 39660, 40770, 47592, 48924, 52880, 53541, 54360, 59490, 61155, 65232, 71388, 79320, 81540, 89235, 95184, 97848, 99811, 107082, 108720, 118980, 122310, 142776, 158640, 163080, 178470, 195696, 199622, 214164, 237960, 244620, 267705, 285552, 299433, 326160, 356940, 399244, 428328, 475920, 489240, 499055, 535410, 598866, 713880, 798488, 856656, 898299, 978480, 998110, 1070820, 1197732, 1427760, 1497165, 1596976, 1796598, 1996220, 2141640, 2395464, 2694897, 2994330, 3593196, 3992440, 4283280, 4491495, 4790928, 5389794, 5988660, 7186392, 7984880, 8084691, 8982990, 10779588, 11977320, 13474485, 14372784, 16169382, 17965980, 21559176, 23954640, 26948970, 32338764, 35931960, 40423455, 43118352, 53897940, 64677528, 71863920, 80846910, 107795880, 129355056, 161693820, 215591760, 323387640, 646775280]

約数ペア:

[(1, 646775280), (2, 323387640), (3, 215591760), (4, 161693820), (5, 129355056), (6, 107795880), (8, 80846910), (9, 71863920), (10, 64677528), (12, 53897940), (15, 43118352), (16, 40423455), (18, 35931960), (20, 32338764), (24, 26948970), (27, 23954640), (30, 21559176), (36, 17965980), (40, 16169382), (45, 14372784), (48, 13474485), (54, 11977320), (60, 10779588), (72, 8982990), (80, 8084691), (81, 7984880), (90, 7186392), (108, 5988660), (120, 5389794), (135, 4790928), (144, 4491495), (151, 4283280), (162, 3992440), (180, 3593196), (216, 2994330), (240, 2694897), (270, 2395464), (302, 2141640), (324, 1996220), (360, 1796598), (405, 1596976), (432, 1497165), (453, 1427760), (540, 1197732), (604, 1070820), (648, 998110), (661, 978480), (720, 898299), (755, 856656), (810, 798488), (906, 713880), (1080, 598866), (1208, 535410), (1296, 499055), (1322, 489240), (1359, 475920), (1510, 428328), (1620, 399244), (1812, 356940), (1983, 326160), (2160, 299433), (2265, 285552), (2416, 267705), (2644, 244620), (2718, 237960), (3020, 214164), (3240, 199622), (3305, 195696), (3624, 178470), (3966, 163080), (4077, 158640), (4530, 142776), (5288, 122310), (5436, 118980), (5949, 108720), (6040, 107082), (6480, 99811), (6610, 97848), (6795, 95184), (7248, 89235), (7932, 81540), (8154, 79320), (9060, 71388), (9915, 65232), (10576, 61155), (10872, 59490), (11898, 54360), (12080, 53541), (12231, 52880), (13220, 48924), (13590, 47592), (15864, 40770), (16308, 39660), (17847, 36240), (18120, 35694), (19830, 32616), (20385, 31728), (21744, 29745), (23796, 27180), (24462, 26440)]