39881640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 125452800

約数和(自身を除く): 85571160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 59, 60, 86, 118, 120, 129, 131, 172, 177, 215, 236, 258, 262, 295, 344, 354, 393, 430, 472, 516, 524, 590, 645, 655, 708, 786, 860, 885, 1032, 1048, 1180, 1290, 1310, 1416, 1572, 1720, 1770, 1965, 2360, 2537, 2580, 2620, 3144, 3540, 3930, 5074, 5160, 5240, 5633, 7080, 7611, 7729, 7860, 10148, 11266, 12685, 15222, 15458, 15720, 16899, 20296, 22532, 23187, 25370, 28165, 30444, 30916, 33798, 38055, 38645, 45064, 46374, 50740, 56330, 60888, 61832, 67596, 76110, 77290, 84495, 92748, 101480, 112660, 115935, 135192, 152220, 154580, 168990, 185496, 225320, 231870, 304440, 309160, 332347, 337980, 463740, 664694, 675960, 927480, 997041, 1329388, 1661735, 1994082, 2658776, 3323470, 3988164, 4985205, 6646940, 7976328, 9970410, 13293880, 19940820, 39881640]

約数ペア:

[(1, 39881640), (2, 19940820), (3, 13293880), (4, 9970410), (5, 7976328), (6, 6646940), (8, 4985205), (10, 3988164), (12, 3323470), (15, 2658776), (20, 1994082), (24, 1661735), (30, 1329388), (40, 997041), (43, 927480), (59, 675960), (60, 664694), (86, 463740), (118, 337980), (120, 332347), (129, 309160), (131, 304440), (172, 231870), (177, 225320), (215, 185496), (236, 168990), (258, 154580), (262, 152220), (295, 135192), (344, 115935), (354, 112660), (393, 101480), (430, 92748), (472, 84495), (516, 77290), (524, 76110), (590, 67596), (645, 61832), (655, 60888), (708, 56330), (786, 50740), (860, 46374), (885, 45064), (1032, 38645), (1048, 38055), (1180, 33798), (1290, 30916), (1310, 30444), (1416, 28165), (1572, 25370), (1720, 23187), (1770, 22532), (1965, 20296), (2360, 16899), (2537, 15720), (2580, 15458), (2620, 15222), (3144, 12685), (3540, 11266), (3930, 10148), (5074, 7860), (5160, 7729), (5240, 7611), (5633, 7080)]