42905720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{577}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 114235920

約数和(自身を除く): 71330200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 220, 260, 286, 338, 440, 520, 572, 577, 676, 715, 845, 1144, 1154, 1352, 1430, 1690, 1859, 2308, 2860, 2885, 3380, 3718, 4616, 5720, 5770, 6347, 6760, 7436, 7501, 9295, 11540, 12694, 14872, 15002, 18590, 23080, 25388, 30004, 31735, 37180, 37505, 50776, 60008, 63470, 74360, 75010, 82511, 97513, 126940, 150020, 165022, 195026, 253880, 300040, 330044, 390052, 412555, 487565, 660088, 780104, 825110, 975130, 1072643, 1650220, 1950260, 2145286, 3300440, 3900520, 4290572, 5363215, 8581144, 10726430, 21452860, 42905720]

約数ペア:

[(1, 42905720), (2, 21452860), (4, 10726430), (5, 8581144), (8, 5363215), (10, 4290572), (11, 3900520), (13, 3300440), (20, 2145286), (22, 1950260), (26, 1650220), (40, 1072643), (44, 975130), (52, 825110), (55, 780104), (65, 660088), (88, 487565), (104, 412555), (110, 390052), (130, 330044), (143, 300040), (169, 253880), (220, 195026), (260, 165022), (286, 150020), (338, 126940), (440, 97513), (520, 82511), (572, 75010), (577, 74360), (676, 63470), (715, 60008), (845, 50776), (1144, 37505), (1154, 37180), (1352, 31735), (1430, 30004), (1690, 25388), (1859, 23080), (2308, 18590), (2860, 15002), (2885, 14872), (3380, 12694), (3718, 11540), (4616, 9295), (5720, 7501), (5770, 7436), (6347, 6760)]