318997440

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 280

約数和(自身を含む): 1174284672

約数和(自身を除く): 855287232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 324, 360, 372, 397, 405, 432, 465, 480, 496, 540, 558, 576, 620, 648, 720, 744, 794, 810, 837, 864, 930, 960, 992, 1080, 1116, 1191, 1240, 1296, 1395, 1440, 1488, 1588, 1620, 1674, 1728, 1860, 1984, 1985, 2160, 2232, 2382, 2480, 2511, 2592, 2790, 2880, 2976, 3176, 3240, 3348, 3573, 3720, 3970, 4185, 4320, 4464, 4764, 4960, 5022, 5184, 5580, 5952, 5955, 6352, 6480, 6696, 7146, 7440, 7940, 8370, 8640, 8928, 9528, 9920, 10044, 10719, 11160, 11910, 12307, 12555, 12704, 12960, 13392, 14292, 14880, 15880, 16740, 17856, 17865, 19056, 20088, 21438, 22320, 23820, 24614, 25110, 25408, 25920, 26784, 28584, 29760, 31760, 32157, 33480, 35730, 36921, 38112, 40176, 42876, 44640, 47640, 49228, 50220, 53568, 53595, 57168, 61535, 63520, 64314, 66960, 71460, 73842, 76224, 80352, 85752, 89280, 95280, 98456, 100440, 107190, 110763, 114336, 123070, 127040, 128628, 133920, 142920, 147684, 160704, 160785, 171504, 184605, 190560, 196912, 200880, 214380, 221526, 228672, 246140, 257256, 267840, 285840, 295368, 321570, 332289, 343008, 369210, 381120, 393824, 401760, 428760, 443052, 492280, 514512, 553815, 571680, 590736, 643140, 664578, 686016, 738420, 787648, 803520, 857520, 886104, 984560, 996867, 1029024, 1107630, 1143360, 1181472, 1286280, 1329156, 1476840, 1661445, 1715040, 1772208, 1969120, 1993734, 2058048, 2215260, 2362944, 2572560, 2658312, 2953680, 3322890, 3430080, 3544416, 3938240, 3987468, 4430520, 4984335, 5145120, 5316624, 5907360, 6645780, 7088832, 7974936, 8861040, 9968670, 10290240, 10633248, 11814720, 13291560, 15949872, 17722080, 19937340, 21266496, 26583120, 31899744, 35444160, 39874680, 53166240, 63799488, 79749360, 106332480, 159498720, 318997440]

約数ペア:

[(1, 318997440), (2, 159498720), (3, 106332480), (4, 79749360), (5, 63799488), (6, 53166240), (8, 39874680), (9, 35444160), (10, 31899744), (12, 26583120), (15, 21266496), (16, 19937340), (18, 17722080), (20, 15949872), (24, 13291560), (27, 11814720), (30, 10633248), (31, 10290240), (32, 9968670), (36, 8861040), (40, 7974936), (45, 7088832), (48, 6645780), (54, 5907360), (60, 5316624), (62, 5145120), (64, 4984335), (72, 4430520), (80, 3987468), (81, 3938240), (90, 3544416), (93, 3430080), (96, 3322890), (108, 2953680), (120, 2658312), (124, 2572560), (135, 2362944), (144, 2215260), (155, 2058048), (160, 1993734), (162, 1969120), (180, 1772208), (186, 1715040), (192, 1661445), (216, 1476840), (240, 1329156), (248, 1286280), (270, 1181472), (279, 1143360), (288, 1107630), (310, 1029024), (320, 996867), (324, 984560), (360, 886104), (372, 857520), (397, 803520), (405, 787648), (432, 738420), (465, 686016), (480, 664578), (496, 643140), (540, 590736), (558, 571680), (576, 553815), (620, 514512), (648, 492280), (720, 443052), (744, 428760), (794, 401760), (810, 393824), (837, 381120), (864, 369210), (930, 343008), (960, 332289), (992, 321570), (1080, 295368), (1116, 285840), (1191, 267840), (1240, 257256), (1296, 246140), (1395, 228672), (1440, 221526), (1488, 214380), (1588, 200880), (1620, 196912), (1674, 190560), (1728, 184605), (1860, 171504), (1984, 160785), (1985, 160704), (2160, 147684), (2232, 142920), (2382, 133920), (2480, 128628), (2511, 127040), (2592, 123070), (2790, 114336), (2880, 110763), (2976, 107190), (3176, 100440), (3240, 98456), (3348, 95280), (3573, 89280), (3720, 85752), (3970, 80352), (4185, 76224), (4320, 73842), (4464, 71460), (4764, 66960), (4960, 64314), (5022, 63520), (5184, 61535), (5580, 57168), (5952, 53595), (5955, 53568), (6352, 50220), (6480, 49228), (6696, 47640), (7146, 44640), (7440, 42876), (7940, 40176), (8370, 38112), (8640, 36921), (8928, 35730), (9528, 33480), (9920, 32157), (10044, 31760), (10719, 29760), (11160, 28584), (11910, 26784), (12307, 25920), (12555, 25408), (12704, 25110), (12960, 24614), (13392, 23820), (14292, 22320), (14880, 21438), (15880, 20088), (16740, 19056), (17856, 17865)]