85864520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 235008000

約数和(自身を除く): 149143480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 67, 70, 92, 115, 134, 140, 161, 184, 199, 230, 268, 280, 322, 335, 398, 460, 469, 536, 644, 670, 796, 805, 920, 938, 995, 1288, 1340, 1393, 1541, 1592, 1610, 1876, 1990, 2345, 2680, 2786, 3082, 3220, 3752, 3980, 4577, 4690, 5572, 6164, 6440, 6965, 7705, 7960, 9154, 9380, 10787, 11144, 12328, 13333, 13930, 15410, 18308, 18760, 21574, 22885, 26666, 27860, 30820, 32039, 36616, 43148, 45770, 53332, 53935, 55720, 61640, 64078, 66665, 86296, 91540, 93331, 106664, 107870, 128156, 133330, 160195, 183080, 186662, 215740, 256312, 266660, 306659, 320390, 373324, 431480, 466655, 533320, 613318, 640780, 746648, 933310, 1226636, 1281560, 1533295, 1866620, 2146613, 2453272, 3066590, 3733240, 4293226, 6133180, 8586452, 10733065, 12266360, 17172904, 21466130, 42932260, 85864520]

約数ペア:

[(1, 85864520), (2, 42932260), (4, 21466130), (5, 17172904), (7, 12266360), (8, 10733065), (10, 8586452), (14, 6133180), (20, 4293226), (23, 3733240), (28, 3066590), (35, 2453272), (40, 2146613), (46, 1866620), (56, 1533295), (67, 1281560), (70, 1226636), (92, 933310), (115, 746648), (134, 640780), (140, 613318), (161, 533320), (184, 466655), (199, 431480), (230, 373324), (268, 320390), (280, 306659), (322, 266660), (335, 256312), (398, 215740), (460, 186662), (469, 183080), (536, 160195), (644, 133330), (670, 128156), (796, 107870), (805, 106664), (920, 93331), (938, 91540), (995, 86296), (1288, 66665), (1340, 64078), (1393, 61640), (1541, 55720), (1592, 53935), (1610, 53332), (1876, 45770), (1990, 43148), (2345, 36616), (2680, 32039), (2786, 30820), (3082, 27860), (3220, 26666), (3752, 22885), (3980, 21574), (4577, 18760), (4690, 18308), (5572, 15410), (6164, 13930), (6440, 13333), (6965, 12328), (7705, 11144), (7960, 10787), (9154, 9380)]