81965520

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:184

約数の個数: 400

約数和(自身を含む): 352894080

約数和(自身を除く): 270928560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 81, 84, 90, 91, 104, 105, 108, 112, 117, 120, 126, 130, 135, 139, 140, 144, 156, 162, 168, 180, 182, 189, 195, 208, 210, 216, 234, 240, 252, 260, 270, 273, 278, 280, 312, 315, 324, 336, 351, 360, 364, 378, 390, 405, 417, 420, 432, 455, 468, 504, 520, 540, 546, 556, 560, 567, 585, 624, 630, 648, 695, 702, 720, 728, 756, 780, 810, 819, 834, 840, 910, 936, 945, 973, 1008, 1040, 1053, 1080, 1092, 1112, 1134, 1170, 1251, 1260, 1296, 1365, 1390, 1404, 1456, 1512, 1560, 1620, 1638, 1668, 1680, 1755, 1807, 1820, 1872, 1890, 1946, 2085, 2106, 2160, 2184, 2224, 2268, 2340, 2457, 2502, 2520, 2730, 2780, 2808, 2835, 2919, 3024, 3120, 3240, 3276, 3336, 3510, 3614, 3640, 3753, 3780, 3892, 4095, 4170, 4212, 4368, 4536, 4680, 4865, 4914, 5004, 5040, 5265, 5421, 5460, 5560, 5616, 5670, 5838, 6255, 6480, 6552, 6672, 7020, 7228, 7280, 7371, 7506, 7560, 7784, 8190, 8340, 8424, 8757, 9035, 9072, 9360, 9730, 9828, 10008, 10530, 10842, 10920, 11120, 11259, 11340, 11676, 12285, 12510, 12649, 13104, 14040, 14456, 14595, 14742, 15012, 15120, 15568, 16263, 16380, 16680, 16848, 17514, 18070, 18765, 19460, 19656, 20016, 21060, 21684, 21840, 22518, 22680, 23352, 24570, 25020, 25298, 26271, 27105, 28080, 28912, 29190, 29484, 30024, 32526, 32760, 33360, 35028, 36140, 36855, 37530, 37947, 38920, 39312, 42120, 43368, 43785, 45036, 45360, 46704, 48789, 49140, 50040, 50596, 52542, 54210, 56295, 58380, 58968, 60048, 63245, 65052, 65520, 70056, 72280, 73710, 75060, 75894, 77840, 78813, 81315, 84240, 86736, 87570, 90072, 97578, 98280, 100080, 101192, 105084, 108420, 112590, 113841, 116760, 117936, 126490, 130104, 131355, 140112, 144560, 146367, 147420, 150120, 151788, 157626, 162630, 175140, 180144, 189735, 195156, 196560, 202384, 210168, 216840, 225180, 227682, 233520, 243945, 252980, 260208, 262710, 292734, 294840, 300240, 303576, 315252, 325260, 341523, 350280, 379470, 390312, 394065, 420336, 433680, 450360, 455364, 487890, 505960, 525420, 569205, 585468, 589680, 607152, 630504, 650520, 683046, 700560, 731835, 758940, 780624, 788130, 900720, 910728, 975780, 1011920, 1024569, 1050840, 1138410, 1170936, 1261008, 1301040, 1366092, 1463670, 1517880, 1576260, 1707615, 1821456, 1951560, 2049138, 2101680, 2276820, 2341872, 2732184, 2927340, 3035760, 3152520, 3415230, 3903120, 4098276, 4553640, 5122845, 5464368, 5854680, 6305040, 6830460, 8196552, 9107280, 10245690, 11709360, 13660920, 16393104, 20491380, 27321840, 40982760, 81965520]

約数ペア:

[(1, 81965520), (2, 40982760), (3, 27321840), (4, 20491380), (5, 16393104), (6, 13660920), (7, 11709360), (8, 10245690), (9, 9107280), (10, 8196552), (12, 6830460), (13, 6305040), (14, 5854680), (15, 5464368), (16, 5122845), (18, 4553640), (20, 4098276), (21, 3903120), (24, 3415230), (26, 3152520), (27, 3035760), (28, 2927340), (30, 2732184), (35, 2341872), (36, 2276820), (39, 2101680), (40, 2049138), (42, 1951560), (45, 1821456), (48, 1707615), (52, 1576260), (54, 1517880), (56, 1463670), (60, 1366092), (63, 1301040), (65, 1261008), (70, 1170936), (72, 1138410), (78, 1050840), (80, 1024569), (81, 1011920), (84, 975780), (90, 910728), (91, 900720), (104, 788130), (105, 780624), (108, 758940), (112, 731835), (117, 700560), (120, 683046), (126, 650520), (130, 630504), (135, 607152), (139, 589680), (140, 585468), (144, 569205), (156, 525420), (162, 505960), (168, 487890), (180, 455364), (182, 450360), (189, 433680), (195, 420336), (208, 394065), (210, 390312), (216, 379470), (234, 350280), (240, 341523), (252, 325260), (260, 315252), (270, 303576), (273, 300240), (278, 294840), (280, 292734), (312, 262710), (315, 260208), (324, 252980), (336, 243945), (351, 233520), (360, 227682), (364, 225180), (378, 216840), (390, 210168), (405, 202384), (417, 196560), (420, 195156), (432, 189735), (455, 180144), (468, 175140), (504, 162630), (520, 157626), (540, 151788), (546, 150120), (556, 147420), (560, 146367), (567, 144560), (585, 140112), (624, 131355), (630, 130104), (648, 126490), (695, 117936), (702, 116760), (720, 113841), (728, 112590), (756, 108420), (780, 105084), (810, 101192), (819, 100080), (834, 98280), (840, 97578), (910, 90072), (936, 87570), (945, 86736), (973, 84240), (1008, 81315), (1040, 78813), (1053, 77840), (1080, 75894), (1092, 75060), (1112, 73710), (1134, 72280), (1170, 70056), (1251, 65520), (1260, 65052), (1296, 63245), (1365, 60048), (1390, 58968), (1404, 58380), (1456, 56295), (1512, 54210), (1560, 52542), (1620, 50596), (1638, 50040), (1668, 49140), (1680, 48789), (1755, 46704), (1807, 45360), (1820, 45036), (1872, 43785), (1890, 43368), (1946, 42120), (2085, 39312), (2106, 38920), (2160, 37947), (2184, 37530), (2224, 36855), (2268, 36140), (2340, 35028), (2457, 33360), (2502, 32760), (2520, 32526), (2730, 30024), (2780, 29484), (2808, 29190), (2835, 28912), (2919, 28080), (3024, 27105), (3120, 26271), (3240, 25298), (3276, 25020), (3336, 24570), (3510, 23352), (3614, 22680), (3640, 22518), (3753, 21840), (3780, 21684), (3892, 21060), (4095, 20016), (4170, 19656), (4212, 19460), (4368, 18765), (4536, 18070), (4680, 17514), (4865, 16848), (4914, 16680), (5004, 16380), (5040, 16263), (5265, 15568), (5421, 15120), (5460, 15012), (5560, 14742), (5616, 14595), (5670, 14456), (5838, 14040), (6255, 13104), (6480, 12649), (6552, 12510), (6672, 12285), (7020, 11676), (7228, 11340), (7280, 11259), (7371, 11120), (7506, 10920), (7560, 10842), (7784, 10530), (8190, 10008), (8340, 9828), (8424, 9730), (8757, 9360), (9035, 9072)]