18868479840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{60383}}^1$

素因数の和:60442

約数の個数: 288

約数和(自身を含む): 75962105856

約数和(自身を除く): 57093626016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2976, 3255, 3360, 3472, 3720, 3906, 4340, 4464, 4960, 5040, 5208, 5580, 6510, 6944, 7440, 7812, 8680, 8928, 9765, 10080, 10416, 11160, 13020, 14880, 15624, 17360, 19530, 20832, 22320, 26040, 31248, 34720, 39060, 44640, 52080, 60383, 62496, 78120, 104160, 120766, 156240, 181149, 241532, 301915, 312480, 362298, 422681, 483064, 543447, 603830, 724596, 845362, 905745, 966128, 1086894, 1207660, 1268043, 1449192, 1690724, 1811490, 1871873, 1932256, 2113405, 2173788, 2415320, 2536086, 2717235, 2898384, 3381448, 3622980, 3743746, 3804129, 4226810, 4347576, 4830640, 5072172, 5434470, 5615619, 5796768, 6340215, 6762896, 7245960, 7487492, 7608258, 8453620, 8695152, 9359365, 9661280, 10144344, 10868940, 11231238, 12680430, 13103111, 13525792, 14491920, 14974984, 15216516, 16846857, 16907240, 17390304, 18718730, 19020645, 20288688, 21737880, 22462476, 25360860, 26206222, 28078095, 28983840, 29949968, 30433032, 33693714, 33814480, 37437460, 38041290, 39309333, 40577376, 43475760, 44924952, 50721720, 52412444, 56156190, 59899936, 60866064, 65515555, 67387428, 67628960, 74874920, 76082580, 78618666, 84234285, 86951520, 89849904, 101443440, 104824888, 112312380, 117927999, 121732128, 131031110, 134774856, 149749840, 152165160, 157237332, 168468570, 179699808, 196546665, 202886880, 209649776, 224624760, 235855998, 262062220, 269549712, 299499680, 304330320, 314474664, 336937140, 393093330, 419299552, 449249520, 471711996, 524124440, 539099424, 589639995, 608660640, 628949328, 673874280, 786186660, 898499040, 943423992, 1048248880, 1179279990, 1257898656, 1347748560, 1572373320, 1886847984, 2096497760, 2358559980, 2695497120, 3144746640, 3773695968, 4717119960, 6289493280, 9434239920, 18868479840]

約数ペア:

[(1, 18868479840), (2, 9434239920), (3, 6289493280), (4, 4717119960), (5, 3773695968), (6, 3144746640), (7, 2695497120), (8, 2358559980), (9, 2096497760), (10, 1886847984), (12, 1572373320), (14, 1347748560), (15, 1257898656), (16, 1179279990), (18, 1048248880), (20, 943423992), (21, 898499040), (24, 786186660), (28, 673874280), (30, 628949328), (31, 608660640), (32, 589639995), (35, 539099424), (36, 524124440), (40, 471711996), (42, 449249520), (45, 419299552), (48, 393093330), (56, 336937140), (60, 314474664), (62, 304330320), (63, 299499680), (70, 269549712), (72, 262062220), (80, 235855998), (84, 224624760), (90, 209649776), (93, 202886880), (96, 196546665), (105, 179699808), (112, 168468570), (120, 157237332), (124, 152165160), (126, 149749840), (140, 134774856), (144, 131031110), (155, 121732128), (160, 117927999), (168, 112312380), (180, 104824888), (186, 101443440), (210, 89849904), (217, 86951520), (224, 84234285), (240, 78618666), (248, 76082580), (252, 74874920), (279, 67628960), (280, 67387428), (288, 65515555), (310, 60866064), (315, 59899936), (336, 56156190), (360, 52412444), (372, 50721720), (420, 44924952), (434, 43475760), (465, 40577376), (480, 39309333), (496, 38041290), (504, 37437460), (558, 33814480), (560, 33693714), (620, 30433032), (630, 29949968), (651, 28983840), (672, 28078095), (720, 26206222), (744, 25360860), (840, 22462476), (868, 21737880), (930, 20288688), (992, 19020645), (1008, 18718730), (1085, 17390304), (1116, 16907240), (1120, 16846857), (1240, 15216516), (1260, 14974984), (1302, 14491920), (1395, 13525792), (1440, 13103111), (1488, 12680430), (1680, 11231238), (1736, 10868940), (1860, 10144344), (1953, 9661280), (2016, 9359365), (2170, 8695152), (2232, 8453620), (2480, 7608258), (2520, 7487492), (2604, 7245960), (2790, 6762896), (2976, 6340215), (3255, 5796768), (3360, 5615619), (3472, 5434470), (3720, 5072172), (3906, 4830640), (4340, 4347576), (4464, 4226810), (4960, 3804129), (5040, 3743746), (5208, 3622980), (5580, 3381448), (6510, 2898384), (6944, 2717235), (7440, 2536086), (7812, 2415320), (8680, 2173788), (8928, 2113405), (9765, 1932256), (10080, 1871873), (10416, 1811490), (11160, 1690724), (13020, 1449192), (14880, 1268043), (15624, 1207660), (17360, 1086894), (19530, 966128), (20832, 905745), (22320, 845362), (26040, 724596), (31248, 603830), (34720, 543447), (39060, 483064), (44640, 422681), (52080, 362298), (60383, 312480), (62496, 301915), (78120, 241532), (104160, 181149), (120766, 156240)]