78638160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2087}}^1$

素因数の和:2260

約数の個数: 80

約数和(自身を含む): 245448576

約数和(自身を除く): 166810416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2087, 2355, 2512, 3140, 3768, 4174, 4710, 6261, 6280, 7536, 8348, 9420, 10435, 12522, 12560, 16696, 18840, 20870, 25044, 31305, 33392, 37680, 41740, 50088, 62610, 83480, 100176, 125220, 166960, 250440, 327659, 500880, 655318, 982977, 1310636, 1638295, 1965954, 2621272, 3276590, 3931908, 4914885, 5242544, 6553180, 7863816, 9829770, 13106360, 15727632, 19659540, 26212720, 39319080, 78638160]

約数ペア:

[(1, 78638160), (2, 39319080), (3, 26212720), (4, 19659540), (5, 15727632), (6, 13106360), (8, 9829770), (10, 7863816), (12, 6553180), (15, 5242544), (16, 4914885), (20, 3931908), (24, 3276590), (30, 2621272), (40, 1965954), (48, 1638295), (60, 1310636), (80, 982977), (120, 655318), (157, 500880), (240, 327659), (314, 250440), (471, 166960), (628, 125220), (785, 100176), (942, 83480), (1256, 62610), (1570, 50088), (1884, 41740), (2087, 37680), (2355, 33392), (2512, 31305), (3140, 25044), (3768, 20870), (4174, 18840), (4710, 16696), (6261, 12560), (6280, 12522), (7536, 10435), (8348, 9420)]