278822880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 288

約数和(自身を含む): 1100736000

約数和(自身を除く): 821913120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 139, 140, 144, 160, 168, 180, 199, 210, 224, 240, 252, 278, 280, 288, 315, 336, 360, 398, 417, 420, 480, 504, 556, 560, 597, 630, 672, 695, 720, 796, 834, 840, 973, 995, 1008, 1112, 1120, 1194, 1251, 1260, 1390, 1393, 1440, 1592, 1668, 1680, 1791, 1946, 1990, 2016, 2085, 2224, 2388, 2502, 2520, 2780, 2786, 2919, 2985, 3184, 3336, 3360, 3582, 3892, 3980, 4170, 4179, 4448, 4776, 4865, 5004, 5040, 5560, 5572, 5838, 5970, 6255, 6368, 6672, 6965, 7164, 7784, 7960, 8340, 8358, 8757, 8955, 9552, 9730, 10008, 10080, 11120, 11144, 11676, 11940, 12510, 12537, 13344, 13930, 14328, 14595, 15568, 15920, 16680, 16716, 17514, 17910, 19104, 19460, 20016, 20895, 22240, 22288, 23352, 23880, 25020, 25074, 27661, 27860, 28656, 29190, 31136, 31840, 33360, 33432, 35028, 35820, 38920, 40032, 41790, 43785, 44576, 46704, 47760, 50040, 50148, 55322, 55720, 57312, 58380, 62685, 66720, 66864, 70056, 71640, 77840, 82983, 83580, 87570, 93408, 95520, 100080, 100296, 110644, 111440, 116760, 125370, 133728, 138305, 140112, 143280, 155680, 165966, 167160, 175140, 193627, 200160, 200592, 221288, 222880, 233520, 248949, 250740, 276610, 280224, 286560, 331932, 334320, 350280, 387254, 401184, 414915, 442576, 467040, 497898, 501480, 553220, 580881, 663864, 668640, 700560, 774508, 829830, 885152, 968135, 995796, 1002960, 1106440, 1161762, 1244745, 1327728, 1401120, 1549016, 1659660, 1742643, 1936270, 1991592, 2005920, 2212880, 2323524, 2489490, 2655456, 2904405, 3098032, 3319320, 3485286, 3872540, 3983184, 4425760, 4647048, 4978980, 5808810, 6196064, 6638640, 6970572, 7745080, 7966368, 8713215, 9294096, 9957960, 11617620, 13277280, 13941144, 15490160, 17426430, 18588192, 19915920, 23235240, 27882288, 30980320, 34852860, 39831840, 46470480, 55764576, 69705720, 92940960, 139411440, 278822880]

約数ペア:

[(1, 278822880), (2, 139411440), (3, 92940960), (4, 69705720), (5, 55764576), (6, 46470480), (7, 39831840), (8, 34852860), (9, 30980320), (10, 27882288), (12, 23235240), (14, 19915920), (15, 18588192), (16, 17426430), (18, 15490160), (20, 13941144), (21, 13277280), (24, 11617620), (28, 9957960), (30, 9294096), (32, 8713215), (35, 7966368), (36, 7745080), (40, 6970572), (42, 6638640), (45, 6196064), (48, 5808810), (56, 4978980), (60, 4647048), (63, 4425760), (70, 3983184), (72, 3872540), (80, 3485286), (84, 3319320), (90, 3098032), (96, 2904405), (105, 2655456), (112, 2489490), (120, 2323524), (126, 2212880), (139, 2005920), (140, 1991592), (144, 1936270), (160, 1742643), (168, 1659660), (180, 1549016), (199, 1401120), (210, 1327728), (224, 1244745), (240, 1161762), (252, 1106440), (278, 1002960), (280, 995796), (288, 968135), (315, 885152), (336, 829830), (360, 774508), (398, 700560), (417, 668640), (420, 663864), (480, 580881), (504, 553220), (556, 501480), (560, 497898), (597, 467040), (630, 442576), (672, 414915), (695, 401184), (720, 387254), (796, 350280), (834, 334320), (840, 331932), (973, 286560), (995, 280224), (1008, 276610), (1112, 250740), (1120, 248949), (1194, 233520), (1251, 222880), (1260, 221288), (1390, 200592), (1393, 200160), (1440, 193627), (1592, 175140), (1668, 167160), (1680, 165966), (1791, 155680), (1946, 143280), (1990, 140112), (2016, 138305), (2085, 133728), (2224, 125370), (2388, 116760), (2502, 111440), (2520, 110644), (2780, 100296), (2786, 100080), (2919, 95520), (2985, 93408), (3184, 87570), (3336, 83580), (3360, 82983), (3582, 77840), (3892, 71640), (3980, 70056), (4170, 66864), (4179, 66720), (4448, 62685), (4776, 58380), (4865, 57312), (5004, 55720), (5040, 55322), (5560, 50148), (5572, 50040), (5838, 47760), (5970, 46704), (6255, 44576), (6368, 43785), (6672, 41790), (6965, 40032), (7164, 38920), (7784, 35820), (7960, 35028), (8340, 33432), (8358, 33360), (8757, 31840), (8955, 31136), (9552, 29190), (9730, 28656), (10008, 27860), (10080, 27661), (11120, 25074), (11144, 25020), (11676, 23880), (11940, 23352), (12510, 22288), (12537, 22240), (13344, 20895), (13930, 20016), (14328, 19460), (14595, 19104), (15568, 17910), (15920, 17514), (16680, 16716)]