51731280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71849}}^1$

素因数の和:71868

約数の個数: 60

約数和(自身を含む): 173733300

約数和(自身を除く): 122002020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 71849, 143698, 215547, 287396, 359245, 431094, 574792, 646641, 718490, 862188, 1077735, 1149584, 1293282, 1436980, 1724376, 2155470, 2586564, 2873960, 3233205, 3448752, 4310940, 5173128, 5747920, 6466410, 8621880, 10346256, 12932820, 17243760, 25865640, 51731280]

約数ペア:

[(1, 51731280), (2, 25865640), (3, 17243760), (4, 12932820), (5, 10346256), (6, 8621880), (8, 6466410), (9, 5747920), (10, 5173128), (12, 4310940), (15, 3448752), (16, 3233205), (18, 2873960), (20, 2586564), (24, 2155470), (30, 1724376), (36, 1436980), (40, 1293282), (45, 1149584), (48, 1077735), (60, 862188), (72, 718490), (80, 646641), (90, 574792), (120, 431094), (144, 359245), (180, 287396), (240, 215547), (360, 143698), (720, 71849)]