491200640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1430

約数の個数: 128

約数和(自身を含む): 1359227520

約数和(自身を除く): 868026880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 128, 140, 160, 166, 224, 280, 320, 332, 415, 448, 560, 581, 640, 664, 830, 896, 1120, 1162, 1321, 1328, 1660, 2240, 2324, 2642, 2656, 2905, 3320, 4480, 4648, 5284, 5312, 5810, 6605, 6640, 9247, 9296, 10568, 10624, 11620, 13210, 13280, 18494, 18592, 21136, 23240, 26420, 26560, 36988, 37184, 42272, 46235, 46480, 52840, 53120, 73976, 74368, 84544, 92470, 92960, 105680, 109643, 147952, 169088, 184940, 185920, 211360, 219286, 295904, 369880, 371840, 422720, 438572, 548215, 591808, 739760, 767501, 845440, 877144, 1096430, 1183616, 1479520, 1535002, 1754288, 2192860, 2959040, 3070004, 3508576, 3837505, 4385720, 5918080, 6140008, 7017152, 7675010, 8771440, 12280016, 14034304, 15350020, 17542880, 24560032, 30700040, 35085760, 49120064, 61400080, 70171520, 98240128, 122800160, 245600320, 491200640]

約数ペア:

[(1, 491200640), (2, 245600320), (4, 122800160), (5, 98240128), (7, 70171520), (8, 61400080), (10, 49120064), (14, 35085760), (16, 30700040), (20, 24560032), (28, 17542880), (32, 15350020), (35, 14034304), (40, 12280016), (56, 8771440), (64, 7675010), (70, 7017152), (80, 6140008), (83, 5918080), (112, 4385720), (128, 3837505), (140, 3508576), (160, 3070004), (166, 2959040), (224, 2192860), (280, 1754288), (320, 1535002), (332, 1479520), (415, 1183616), (448, 1096430), (560, 877144), (581, 845440), (640, 767501), (664, 739760), (830, 591808), (896, 548215), (1120, 438572), (1162, 422720), (1321, 371840), (1328, 369880), (1660, 295904), (2240, 219286), (2324, 211360), (2642, 185920), (2656, 184940), (2905, 169088), (3320, 147952), (4480, 109643), (4648, 105680), (5284, 92960), (5312, 92470), (5810, 84544), (6605, 74368), (6640, 73976), (9247, 53120), (9296, 52840), (10568, 46480), (10624, 46235), (11620, 42272), (13210, 37184), (13280, 36988), (18494, 26560), (18592, 26420), (21136, 23240)]