71907480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:638

約数の個数: 128

約数和(自身を含む): 241920000

約数和(自身を除く): 170012520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 139, 180, 216, 270, 278, 360, 417, 479, 540, 556, 695, 834, 958, 1080, 1112, 1251, 1390, 1437, 1668, 1916, 2085, 2395, 2502, 2780, 2874, 3336, 3753, 3832, 4170, 4311, 4790, 5004, 5560, 5748, 6255, 7185, 7506, 8340, 8622, 9580, 10008, 11496, 12510, 12933, 14370, 15012, 16680, 17244, 18765, 19160, 21555, 25020, 25866, 28740, 30024, 34488, 37530, 43110, 50040, 51732, 57480, 64665, 66581, 75060, 86220, 103464, 129330, 133162, 150120, 172440, 199743, 258660, 266324, 332905, 399486, 517320, 532648, 599229, 665810, 798972, 998715, 1198458, 1331620, 1597944, 1797687, 1997430, 2396916, 2663240, 2996145, 3595374, 3994860, 4793832, 5992290, 7190748, 7989720, 8988435, 11984580, 14381496, 17976870, 23969160, 35953740, 71907480]

約数ペア:

[(1, 71907480), (2, 35953740), (3, 23969160), (4, 17976870), (5, 14381496), (6, 11984580), (8, 8988435), (9, 7989720), (10, 7190748), (12, 5992290), (15, 4793832), (18, 3994860), (20, 3595374), (24, 2996145), (27, 2663240), (30, 2396916), (36, 1997430), (40, 1797687), (45, 1597944), (54, 1331620), (60, 1198458), (72, 998715), (90, 798972), (108, 665810), (120, 599229), (135, 532648), (139, 517320), (180, 399486), (216, 332905), (270, 266324), (278, 258660), (360, 199743), (417, 172440), (479, 150120), (540, 133162), (556, 129330), (695, 103464), (834, 86220), (958, 75060), (1080, 66581), (1112, 64665), (1251, 57480), (1390, 51732), (1437, 50040), (1668, 43110), (1916, 37530), (2085, 34488), (2395, 30024), (2502, 28740), (2780, 25866), (2874, 25020), (3336, 21555), (3753, 19160), (3832, 18765), (4170, 17244), (4311, 16680), (4790, 15012), (5004, 14370), (5560, 12933), (5748, 12510), (6255, 11496), (7185, 10008), (7506, 9580), (8340, 8622)]