16486960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 44640000

約数和(自身を除く): 28153040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 499, 560, 590, 826, 944, 998, 1180, 1652, 1996, 2065, 2360, 2495, 3304, 3493, 3992, 4130, 4720, 4990, 6608, 6986, 7984, 8260, 9980, 13972, 16520, 17465, 19960, 27944, 29441, 33040, 34930, 39920, 55888, 58882, 69860, 117764, 139720, 147205, 206087, 235528, 279440, 294410, 412174, 471056, 588820, 824348, 1030435, 1177640, 1648696, 2060870, 2355280, 3297392, 4121740, 8243480, 16486960]

約数ペア:

[(1, 16486960), (2, 8243480), (4, 4121740), (5, 3297392), (7, 2355280), (8, 2060870), (10, 1648696), (14, 1177640), (16, 1030435), (20, 824348), (28, 588820), (35, 471056), (40, 412174), (56, 294410), (59, 279440), (70, 235528), (80, 206087), (112, 147205), (118, 139720), (140, 117764), (236, 69860), (280, 58882), (295, 55888), (413, 39920), (472, 34930), (499, 33040), (560, 29441), (590, 27944), (826, 19960), (944, 17465), (998, 16520), (1180, 13972), (1652, 9980), (1996, 8260), (2065, 7984), (2360, 6986), (2495, 6608), (3304, 4990), (3493, 4720), (3992, 4130)]