80191860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:893

約数の個数: 96

約数和(自身を含む): 257789952

約数和(自身を除く): 177598092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 431, 443, 862, 886, 1293, 1329, 1724, 1772, 2155, 2215, 2586, 2658, 3017, 3101, 4310, 4430, 5172, 5316, 6034, 6202, 6465, 6645, 8620, 8860, 9051, 9303, 12068, 12404, 12930, 13290, 15085, 15505, 18102, 18606, 25860, 26580, 30170, 31010, 36204, 37212, 45255, 46515, 60340, 62020, 90510, 93030, 181020, 186060, 190933, 381866, 572799, 763732, 954665, 1145598, 1336531, 1909330, 2291196, 2673062, 2863995, 3818660, 4009593, 5346124, 5727990, 6682655, 8019186, 11455980, 13365310, 16038372, 20047965, 26730620, 40095930, 80191860]

約数ペア:

[(1, 80191860), (2, 40095930), (3, 26730620), (4, 20047965), (5, 16038372), (6, 13365310), (7, 11455980), (10, 8019186), (12, 6682655), (14, 5727990), (15, 5346124), (20, 4009593), (21, 3818660), (28, 2863995), (30, 2673062), (35, 2291196), (42, 1909330), (60, 1336531), (70, 1145598), (84, 954665), (105, 763732), (140, 572799), (210, 381866), (420, 190933), (431, 186060), (443, 181020), (862, 93030), (886, 90510), (1293, 62020), (1329, 60340), (1724, 46515), (1772, 45255), (2155, 37212), (2215, 36204), (2586, 31010), (2658, 30170), (3017, 26580), (3101, 25860), (4310, 18606), (4430, 18102), (5172, 15505), (5316, 15085), (6034, 13290), (6202, 12930), (6465, 12404), (6645, 12068), (8620, 9303), (8860, 9051)]