78986120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 185008320

約数和(自身を除く): 106022200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 83, 148, 166, 185, 296, 332, 370, 415, 643, 664, 740, 830, 1286, 1480, 1660, 2572, 3071, 3215, 3320, 5144, 6142, 6430, 12284, 12860, 15355, 23791, 24568, 25720, 30710, 47582, 53369, 61420, 95164, 106738, 118955, 122840, 190328, 213476, 237910, 266845, 426952, 475820, 533690, 951640, 1067380, 1974653, 2134760, 3949306, 7898612, 9873265, 15797224, 19746530, 39493060, 78986120]

約数ペア:

[(1, 78986120), (2, 39493060), (4, 19746530), (5, 15797224), (8, 9873265), (10, 7898612), (20, 3949306), (37, 2134760), (40, 1974653), (74, 1067380), (83, 951640), (148, 533690), (166, 475820), (185, 426952), (296, 266845), (332, 237910), (370, 213476), (415, 190328), (643, 122840), (664, 118955), (740, 106738), (830, 95164), (1286, 61420), (1480, 53369), (1660, 47582), (2572, 30710), (3071, 25720), (3215, 24568), (3320, 23791), (5144, 15355), (6142, 12860), (6430, 12284)]