80131520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:538

約数の個数: 112

約数和(自身を含む): 221211648

約数和(自身を除く): 141080128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 140, 160, 166, 224, 280, 320, 332, 415, 431, 448, 560, 581, 664, 830, 862, 1120, 1162, 1328, 1660, 1724, 2155, 2240, 2324, 2656, 2905, 3017, 3320, 3448, 4310, 4648, 5312, 5810, 6034, 6640, 6896, 8620, 9296, 11620, 12068, 13280, 13792, 15085, 17240, 18592, 23240, 24136, 26560, 27584, 30170, 34480, 35773, 37184, 46480, 48272, 60340, 68960, 71546, 92960, 96544, 120680, 137920, 143092, 178865, 185920, 193088, 241360, 250411, 286184, 357730, 482720, 500822, 572368, 715460, 965440, 1001644, 1144736, 1252055, 1430920, 2003288, 2289472, 2504110, 2861840, 4006576, 5008220, 5723680, 8013152, 10016440, 11447360, 16026304, 20032880, 40065760, 80131520]

約数ペア:

[(1, 80131520), (2, 40065760), (4, 20032880), (5, 16026304), (7, 11447360), (8, 10016440), (10, 8013152), (14, 5723680), (16, 5008220), (20, 4006576), (28, 2861840), (32, 2504110), (35, 2289472), (40, 2003288), (56, 1430920), (64, 1252055), (70, 1144736), (80, 1001644), (83, 965440), (112, 715460), (140, 572368), (160, 500822), (166, 482720), (224, 357730), (280, 286184), (320, 250411), (332, 241360), (415, 193088), (431, 185920), (448, 178865), (560, 143092), (581, 137920), (664, 120680), (830, 96544), (862, 92960), (1120, 71546), (1162, 68960), (1328, 60340), (1660, 48272), (1724, 46480), (2155, 37184), (2240, 35773), (2324, 34480), (2656, 30170), (2905, 27584), (3017, 26560), (3320, 24136), (3448, 23240), (4310, 18592), (4648, 17240), (5312, 15085), (5810, 13792), (6034, 13280), (6640, 12068), (6896, 11620), (8620, 9296)]