15020720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 41662512

約数和(自身を除く): 26641792

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 101, 104, 110, 130, 143, 169, 176, 202, 208, 220, 260, 286, 338, 404, 440, 505, 520, 572, 676, 715, 808, 845, 880, 1010, 1040, 1111, 1144, 1313, 1352, 1430, 1616, 1690, 1859, 2020, 2222, 2288, 2626, 2704, 2860, 3380, 3718, 4040, 4444, 5252, 5555, 5720, 6565, 6760, 7436, 8080, 8888, 9295, 10504, 11110, 11440, 13130, 13520, 14443, 14872, 17069, 17776, 18590, 21008, 22220, 26260, 28886, 29744, 34138, 37180, 44440, 52520, 57772, 68276, 72215, 74360, 85345, 88880, 105040, 115544, 136552, 144430, 148720, 170690, 187759, 231088, 273104, 288860, 341380, 375518, 577720, 682760, 751036, 938795, 1155440, 1365520, 1502072, 1877590, 3004144, 3755180, 7510360, 15020720]

約数ペア:

[(1, 15020720), (2, 7510360), (4, 3755180), (5, 3004144), (8, 1877590), (10, 1502072), (11, 1365520), (13, 1155440), (16, 938795), (20, 751036), (22, 682760), (26, 577720), (40, 375518), (44, 341380), (52, 288860), (55, 273104), (65, 231088), (80, 187759), (88, 170690), (101, 148720), (104, 144430), (110, 136552), (130, 115544), (143, 105040), (169, 88880), (176, 85345), (202, 74360), (208, 72215), (220, 68276), (260, 57772), (286, 52520), (338, 44440), (404, 37180), (440, 34138), (505, 29744), (520, 28886), (572, 26260), (676, 22220), (715, 21008), (808, 18590), (845, 17776), (880, 17069), (1010, 14872), (1040, 14443), (1111, 13520), (1144, 13130), (1313, 11440), (1352, 11110), (1430, 10504), (1616, 9295), (1690, 8888), (1859, 8080), (2020, 7436), (2222, 6760), (2288, 6565), (2626, 5720), (2704, 5555), (2860, 5252), (3380, 4444), (3718, 4040)]