7856640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 240

約数和(自身を含む): 30640896

約数和(自身を除く): 22784256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 32, 33, 36, 40, 44, 45, 48, 55, 60, 62, 64, 66, 72, 80, 88, 90, 93, 96, 99, 110, 120, 124, 128, 132, 144, 155, 160, 165, 176, 180, 186, 192, 198, 220, 240, 248, 256, 264, 279, 288, 310, 320, 330, 341, 352, 360, 372, 384, 396, 440, 465, 480, 495, 496, 512, 528, 558, 576, 620, 640, 660, 682, 704, 720, 744, 768, 792, 880, 930, 960, 990, 992, 1023, 1056, 1116, 1152, 1240, 1280, 1320, 1364, 1395, 1408, 1440, 1488, 1536, 1584, 1705, 1760, 1860, 1920, 1980, 1984, 2046, 2112, 2232, 2304, 2480, 2560, 2640, 2728, 2790, 2816, 2880, 2976, 3069, 3168, 3410, 3520, 3720, 3840, 3960, 3968, 4092, 4224, 4464, 4608, 4960, 5115, 5280, 5456, 5580, 5632, 5760, 5952, 6138, 6336, 6820, 7040, 7440, 7680, 7920, 7936, 8184, 8448, 8928, 9920, 10230, 10560, 10912, 11160, 11520, 11904, 12276, 12672, 13640, 14080, 14880, 15345, 15840, 15872, 16368, 16896, 17856, 19840, 20460, 21120, 21824, 22320, 23040, 23808, 24552, 25344, 27280, 28160, 29760, 30690, 31680, 32736, 35712, 39680, 40920, 42240, 43648, 44640, 47616, 49104, 50688, 54560, 59520, 61380, 63360, 65472, 71424, 79360, 81840, 84480, 87296, 89280, 98208, 109120, 119040, 122760, 126720, 130944, 142848, 163680, 174592, 178560, 196416, 218240, 238080, 245520, 253440, 261888, 327360, 357120, 392832, 436480, 491040, 523776, 654720, 714240, 785664, 872960, 982080, 1309440, 1571328, 1964160, 2618880, 3928320, 7856640]

約数ペア:

[(1, 7856640), (2, 3928320), (3, 2618880), (4, 1964160), (5, 1571328), (6, 1309440), (8, 982080), (9, 872960), (10, 785664), (11, 714240), (12, 654720), (15, 523776), (16, 491040), (18, 436480), (20, 392832), (22, 357120), (24, 327360), (30, 261888), (31, 253440), (32, 245520), (33, 238080), (36, 218240), (40, 196416), (44, 178560), (45, 174592), (48, 163680), (55, 142848), (60, 130944), (62, 126720), (64, 122760), (66, 119040), (72, 109120), (80, 98208), (88, 89280), (90, 87296), (93, 84480), (96, 81840), (99, 79360), (110, 71424), (120, 65472), (124, 63360), (128, 61380), (132, 59520), (144, 54560), (155, 50688), (160, 49104), (165, 47616), (176, 44640), (180, 43648), (186, 42240), (192, 40920), (198, 39680), (220, 35712), (240, 32736), (248, 31680), (256, 30690), (264, 29760), (279, 28160), (288, 27280), (310, 25344), (320, 24552), (330, 23808), (341, 23040), (352, 22320), (360, 21824), (372, 21120), (384, 20460), (396, 19840), (440, 17856), (465, 16896), (480, 16368), (495, 15872), (496, 15840), (512, 15345), (528, 14880), (558, 14080), (576, 13640), (620, 12672), (640, 12276), (660, 11904), (682, 11520), (704, 11160), (720, 10912), (744, 10560), (768, 10230), (792, 9920), (880, 8928), (930, 8448), (960, 8184), (990, 7936), (992, 7920), (1023, 7680), (1056, 7440), (1116, 7040), (1152, 6820), (1240, 6336), (1280, 6138), (1320, 5952), (1364, 5760), (1395, 5632), (1408, 5580), (1440, 5456), (1488, 5280), (1536, 5115), (1584, 4960), (1705, 4608), (1760, 4464), (1860, 4224), (1920, 4092), (1980, 3968), (1984, 3960), (2046, 3840), (2112, 3720), (2232, 3520), (2304, 3410), (2480, 3168), (2560, 3069), (2640, 2976), (2728, 2880), (2790, 2816)]