989801280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26437}}^1$

素因数の和:26473

約数の個数: 168

約数和(自身を含む): 3666527592

約数和(自身を除く): 2676726312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 7488, 9360, 12480, 18720, 26437, 37440, 52874, 79311, 105748, 132185, 158622, 211496, 237933, 264370, 317244, 343681, 396555, 422992, 475866, 528740, 634488, 687362, 793110, 845984, 951732, 1031043, 1057480, 1189665, 1268976, 1374724, 1586220, 1691968, 1718405, 1903464, 2062086, 2114960, 2379330, 2537952, 2749448, 3093129, 3172440, 3436810, 3806928, 4124172, 4229920, 4758660, 5075904, 5155215, 5498896, 6186258, 6344880, 6873620, 7613856, 8248344, 8459840, 9517320, 10310430, 10997792, 12372516, 12689760, 13747240, 15227712, 15465645, 16496688, 19034640, 20620860, 21995584, 24745032, 25379520, 27494480, 30931290, 32993376, 38069280, 41241720, 49490064, 54988960, 61862580, 65986752, 76138560, 82483440, 98980128, 109977920, 123725160, 164966880, 197960256, 247450320, 329933760, 494900640, 989801280]

約数ペア:

[(1, 989801280), (2, 494900640), (3, 329933760), (4, 247450320), (5, 197960256), (6, 164966880), (8, 123725160), (9, 109977920), (10, 98980128), (12, 82483440), (13, 76138560), (15, 65986752), (16, 61862580), (18, 54988960), (20, 49490064), (24, 41241720), (26, 38069280), (30, 32993376), (32, 30931290), (36, 27494480), (39, 25379520), (40, 24745032), (45, 21995584), (48, 20620860), (52, 19034640), (60, 16496688), (64, 15465645), (65, 15227712), (72, 13747240), (78, 12689760), (80, 12372516), (90, 10997792), (96, 10310430), (104, 9517320), (117, 8459840), (120, 8248344), (130, 7613856), (144, 6873620), (156, 6344880), (160, 6186258), (180, 5498896), (192, 5155215), (195, 5075904), (208, 4758660), (234, 4229920), (240, 4124172), (260, 3806928), (288, 3436810), (312, 3172440), (320, 3093129), (360, 2749448), (390, 2537952), (416, 2379330), (468, 2114960), (480, 2062086), (520, 1903464), (576, 1718405), (585, 1691968), (624, 1586220), (720, 1374724), (780, 1268976), (832, 1189665), (936, 1057480), (960, 1031043), (1040, 951732), (1170, 845984), (1248, 793110), (1440, 687362), (1560, 634488), (1872, 528740), (2080, 475866), (2340, 422992), (2496, 396555), (2880, 343681), (3120, 317244), (3744, 264370), (4160, 237933), (4680, 211496), (6240, 158622), (7488, 132185), (9360, 105748), (12480, 79311), (18720, 52874), (26437, 37440)]