78780180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18493}}^1$

素因数の和:18576

約数の個数: 48

約数和(自身を含む): 223703424

約数和(自身を除く): 144923244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 18493, 36986, 55479, 73972, 92465, 110958, 184930, 221916, 277395, 369860, 554790, 1109580, 1313003, 2626006, 3939009, 5252012, 6565015, 7878018, 13130030, 15756036, 19695045, 26260060, 39390090, 78780180]

約数ペア:

[(1, 78780180), (2, 39390090), (3, 26260060), (4, 19695045), (5, 15756036), (6, 13130030), (10, 7878018), (12, 6565015), (15, 5252012), (20, 3939009), (30, 2626006), (60, 1313003), (71, 1109580), (142, 554790), (213, 369860), (284, 277395), (355, 221916), (426, 184930), (710, 110958), (852, 92465), (1065, 73972), (1420, 55479), (2130, 36986), (4260, 18493)]