71782320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{857}}^1$

素因数の和:1222

約数の個数: 80

約数和(自身を含む): 223423200

約数和(自身を除く): 151640880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 349, 698, 857, 1047, 1396, 1714, 1745, 2094, 2571, 2792, 3428, 3490, 4188, 4285, 5142, 5235, 5584, 6856, 6980, 8376, 8570, 10284, 10470, 12855, 13712, 13960, 16752, 17140, 20568, 20940, 25710, 27920, 34280, 41136, 41880, 51420, 68560, 83760, 102840, 205680, 299093, 598186, 897279, 1196372, 1495465, 1794558, 2392744, 2990930, 3589116, 4486395, 4785488, 5981860, 7178232, 8972790, 11963720, 14356464, 17945580, 23927440, 35891160, 71782320]

約数ペア:

[(1, 71782320), (2, 35891160), (3, 23927440), (4, 17945580), (5, 14356464), (6, 11963720), (8, 8972790), (10, 7178232), (12, 5981860), (15, 4785488), (16, 4486395), (20, 3589116), (24, 2990930), (30, 2392744), (40, 1794558), (48, 1495465), (60, 1196372), (80, 897279), (120, 598186), (240, 299093), (349, 205680), (698, 102840), (857, 83760), (1047, 68560), (1396, 51420), (1714, 41880), (1745, 41136), (2094, 34280), (2571, 27920), (2792, 25710), (3428, 20940), (3490, 20568), (4188, 17140), (4285, 16752), (5142, 13960), (5235, 13712), (5584, 12855), (6856, 10470), (6980, 10284), (8376, 8570)]