639929760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10177}}^1$

素因数の和:10326

約数の個数: 96

約数和(自身を含む): 2031365952

約数和(自身を除く): 1391436192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 393, 480, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 4192, 5240, 6288, 7860, 10177, 10480, 12576, 15720, 20354, 20960, 30531, 31440, 40708, 50885, 61062, 62880, 81416, 101770, 122124, 152655, 162832, 203540, 244248, 305310, 325664, 407080, 488496, 610620, 814160, 976992, 1221240, 1333187, 1628320, 2442480, 2666374, 3999561, 4884960, 5332748, 6665935, 7999122, 10665496, 13331870, 15998244, 19997805, 21330992, 26663740, 31996488, 39995610, 42661984, 53327480, 63992976, 79991220, 106654960, 127985952, 159982440, 213309920, 319964880, 639929760]

約数ペア:

[(1, 639929760), (2, 319964880), (3, 213309920), (4, 159982440), (5, 127985952), (6, 106654960), (8, 79991220), (10, 63992976), (12, 53327480), (15, 42661984), (16, 39995610), (20, 31996488), (24, 26663740), (30, 21330992), (32, 19997805), (40, 15998244), (48, 13331870), (60, 10665496), (80, 7999122), (96, 6665935), (120, 5332748), (131, 4884960), (160, 3999561), (240, 2666374), (262, 2442480), (393, 1628320), (480, 1333187), (524, 1221240), (655, 976992), (786, 814160), (1048, 610620), (1310, 488496), (1572, 407080), (1965, 325664), (2096, 305310), (2620, 244248), (3144, 203540), (3930, 162832), (4192, 152655), (5240, 122124), (6288, 101770), (7860, 81416), (10177, 62880), (10480, 61062), (12576, 50885), (15720, 40708), (20354, 31440), (20960, 30531)]