198915840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:615

約数の個数: 216

約数和(自身を含む): 711704448

約数和(自身を除く): 512788608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 557, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1114, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1671, 1860, 1920, 1984, 2228, 2232, 2304, 2480, 2785, 2790, 2880, 2976, 3342, 3720, 3840, 3968, 4456, 4464, 4960, 5013, 5570, 5580, 5760, 5952, 6684, 7440, 7936, 8355, 8912, 8928, 9920, 10026, 11140, 11160, 11520, 11904, 13368, 14880, 16710, 17267, 17824, 17856, 19840, 20052, 22280, 22320, 23808, 25065, 26736, 29760, 33420, 34534, 35648, 35712, 39680, 40104, 44560, 44640, 50130, 51801, 53472, 59520, 66840, 69068, 71296, 71424, 80208, 86335, 89120, 89280, 100260, 103602, 106944, 119040, 133680, 138136, 142592, 155403, 160416, 172670, 178240, 178560, 200520, 207204, 213888, 259005, 267360, 276272, 310806, 320832, 345340, 356480, 357120, 401040, 414408, 427776, 518010, 534720, 552544, 621612, 641664, 690680, 712960, 777015, 802080, 828816, 1036020, 1069440, 1105088, 1243224, 1283328, 1381360, 1554030, 1604160, 1657632, 2072040, 2138880, 2210176, 2486448, 2762720, 3108060, 3208320, 3315264, 4144080, 4420352, 4972896, 5525440, 6216120, 6416640, 6630528, 8288160, 9945792, 11050880, 12432240, 13261056, 16576320, 19891584, 22101760, 24864480, 33152640, 39783168, 49728960, 66305280, 99457920, 198915840]

約数ペア:

[(1, 198915840), (2, 99457920), (3, 66305280), (4, 49728960), (5, 39783168), (6, 33152640), (8, 24864480), (9, 22101760), (10, 19891584), (12, 16576320), (15, 13261056), (16, 12432240), (18, 11050880), (20, 9945792), (24, 8288160), (30, 6630528), (31, 6416640), (32, 6216120), (36, 5525440), (40, 4972896), (45, 4420352), (48, 4144080), (60, 3315264), (62, 3208320), (64, 3108060), (72, 2762720), (80, 2486448), (90, 2210176), (93, 2138880), (96, 2072040), (120, 1657632), (124, 1604160), (128, 1554030), (144, 1381360), (155, 1283328), (160, 1243224), (180, 1105088), (186, 1069440), (192, 1036020), (240, 828816), (248, 802080), (256, 777015), (279, 712960), (288, 690680), (310, 641664), (320, 621612), (360, 552544), (372, 534720), (384, 518010), (465, 427776), (480, 414408), (496, 401040), (557, 357120), (558, 356480), (576, 345340), (620, 320832), (640, 310806), (720, 276272), (744, 267360), (768, 259005), (930, 213888), (960, 207204), (992, 200520), (1114, 178560), (1116, 178240), (1152, 172670), (1240, 160416), (1280, 155403), (1395, 142592), (1440, 138136), (1488, 133680), (1671, 119040), (1860, 106944), (1920, 103602), (1984, 100260), (2228, 89280), (2232, 89120), (2304, 86335), (2480, 80208), (2785, 71424), (2790, 71296), (2880, 69068), (2976, 66840), (3342, 59520), (3720, 53472), (3840, 51801), (3968, 50130), (4456, 44640), (4464, 44560), (4960, 40104), (5013, 39680), (5570, 35712), (5580, 35648), (5760, 34534), (5952, 33420), (6684, 29760), (7440, 26736), (7936, 25065), (8355, 23808), (8912, 22320), (8928, 22280), (9920, 20052), (10026, 19840), (11140, 17856), (11160, 17824), (11520, 17267), (11904, 16710), (13368, 14880)]