216079920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:521

約数の個数: 320

約数和(自身を含む): 879943680

約数和(自身を除く): 663863760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 168, 180, 186, 189, 210, 216, 217, 240, 248, 252, 270, 279, 280, 310, 315, 336, 360, 372, 378, 420, 432, 434, 461, 465, 496, 504, 540, 558, 560, 620, 630, 651, 720, 744, 756, 837, 840, 868, 922, 930, 945, 1008, 1080, 1085, 1116, 1240, 1260, 1302, 1383, 1395, 1488, 1512, 1674, 1680, 1736, 1844, 1860, 1890, 1953, 2160, 2170, 2232, 2305, 2480, 2520, 2604, 2766, 2790, 3024, 3227, 3255, 3348, 3472, 3688, 3720, 3780, 3906, 4149, 4185, 4340, 4464, 4610, 5040, 5208, 5532, 5580, 5859, 6454, 6510, 6696, 6915, 7376, 7440, 7560, 7812, 8298, 8370, 8680, 9220, 9681, 9765, 10416, 11064, 11160, 11718, 12447, 12908, 13020, 13392, 13830, 14291, 15120, 15624, 16135, 16596, 16740, 17360, 18440, 19362, 19530, 20745, 22128, 22320, 23436, 24894, 25816, 26040, 27660, 28582, 29043, 29295, 31248, 32270, 33192, 33480, 36880, 38724, 39060, 41490, 42873, 46872, 48405, 49788, 51632, 52080, 55320, 57164, 58086, 58590, 62235, 64540, 66384, 66960, 71455, 77448, 78120, 82980, 85746, 87129, 93744, 96810, 99576, 100037, 110640, 114328, 116172, 117180, 124470, 128619, 129080, 142910, 145215, 154896, 156240, 165960, 171492, 174258, 193620, 199152, 200074, 214365, 228656, 232344, 234360, 248940, 257238, 258160, 285820, 290430, 300111, 331920, 342984, 348516, 385857, 387240, 400148, 428730, 435645, 464688, 468720, 497880, 500185, 514476, 571640, 580860, 600222, 643095, 685968, 697032, 771714, 774480, 800296, 857460, 871290, 900333, 995760, 1000370, 1028952, 1143280, 1161720, 1200444, 1286190, 1394064, 1500555, 1543428, 1600592, 1714920, 1742580, 1800666, 1929285, 2000740, 2057904, 2323440, 2400888, 2572380, 2700999, 3001110, 3086856, 3429840, 3485160, 3601332, 3858570, 4001480, 4501665, 4801776, 5144760, 5401998, 6002220, 6173712, 6970320, 7202664, 7717140, 8002960, 9003330, 10289520, 10803996, 12004440, 13504995, 14405328, 15434280, 18006660, 21607992, 24008880, 27009990, 30868560, 36013320, 43215984, 54019980, 72026640, 108039960, 216079920]

約数ペア:

[(1, 216079920), (2, 108039960), (3, 72026640), (4, 54019980), (5, 43215984), (6, 36013320), (7, 30868560), (8, 27009990), (9, 24008880), (10, 21607992), (12, 18006660), (14, 15434280), (15, 14405328), (16, 13504995), (18, 12004440), (20, 10803996), (21, 10289520), (24, 9003330), (27, 8002960), (28, 7717140), (30, 7202664), (31, 6970320), (35, 6173712), (36, 6002220), (40, 5401998), (42, 5144760), (45, 4801776), (48, 4501665), (54, 4001480), (56, 3858570), (60, 3601332), (62, 3485160), (63, 3429840), (70, 3086856), (72, 3001110), (80, 2700999), (84, 2572380), (90, 2400888), (93, 2323440), (105, 2057904), (108, 2000740), (112, 1929285), (120, 1800666), (124, 1742580), (126, 1714920), (135, 1600592), (140, 1543428), (144, 1500555), (155, 1394064), (168, 1286190), (180, 1200444), (186, 1161720), (189, 1143280), (210, 1028952), (216, 1000370), (217, 995760), (240, 900333), (248, 871290), (252, 857460), (270, 800296), (279, 774480), (280, 771714), (310, 697032), (315, 685968), (336, 643095), (360, 600222), (372, 580860), (378, 571640), (420, 514476), (432, 500185), (434, 497880), (461, 468720), (465, 464688), (496, 435645), (504, 428730), (540, 400148), (558, 387240), (560, 385857), (620, 348516), (630, 342984), (651, 331920), (720, 300111), (744, 290430), (756, 285820), (837, 258160), (840, 257238), (868, 248940), (922, 234360), (930, 232344), (945, 228656), (1008, 214365), (1080, 200074), (1085, 199152), (1116, 193620), (1240, 174258), (1260, 171492), (1302, 165960), (1383, 156240), (1395, 154896), (1488, 145215), (1512, 142910), (1674, 129080), (1680, 128619), (1736, 124470), (1844, 117180), (1860, 116172), (1890, 114328), (1953, 110640), (2160, 100037), (2170, 99576), (2232, 96810), (2305, 93744), (2480, 87129), (2520, 85746), (2604, 82980), (2766, 78120), (2790, 77448), (3024, 71455), (3227, 66960), (3255, 66384), (3348, 64540), (3472, 62235), (3688, 58590), (3720, 58086), (3780, 57164), (3906, 55320), (4149, 52080), (4185, 51632), (4340, 49788), (4464, 48405), (4610, 46872), (5040, 42873), (5208, 41490), (5532, 39060), (5580, 38724), (5859, 36880), (6454, 33480), (6510, 33192), (6696, 32270), (6915, 31248), (7376, 29295), (7440, 29043), (7560, 28582), (7812, 27660), (8298, 26040), (8370, 25816), (8680, 24894), (9220, 23436), (9681, 22320), (9765, 22128), (10416, 20745), (11064, 19530), (11160, 19362), (11718, 18440), (12447, 17360), (12908, 16740), (13020, 16596), (13392, 16135), (13830, 15624), (14291, 15120)]