398416320

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 280

約数和(自身を含む): 1493672400

約数和(自身を除く): 1095256080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 576, 608, 648, 684, 720, 760, 809, 810, 855, 864, 912, 960, 1026, 1080, 1140, 1216, 1296, 1368, 1440, 1520, 1539, 1618, 1620, 1710, 1728, 1824, 2052, 2160, 2280, 2427, 2565, 2592, 2736, 2880, 3040, 3078, 3236, 3240, 3420, 3648, 4045, 4104, 4320, 4560, 4854, 5130, 5184, 5472, 6080, 6156, 6472, 6480, 6840, 7281, 7695, 8090, 8208, 8640, 9120, 9708, 10260, 10944, 12135, 12312, 12944, 12960, 13680, 14562, 15371, 15390, 16180, 16416, 18240, 19416, 20520, 21843, 24270, 24624, 25888, 25920, 27360, 29124, 30742, 30780, 32360, 32832, 36405, 38832, 41040, 43686, 46113, 48540, 49248, 51776, 54720, 58248, 61484, 61560, 64720, 65529, 72810, 76855, 77664, 82080, 87372, 92226, 97080, 98496, 109215, 116496, 122968, 123120, 129440, 131058, 138339, 145620, 153710, 155328, 164160, 174744, 184452, 194160, 218430, 230565, 232992, 245936, 246240, 258880, 262116, 276678, 291240, 307420, 327645, 349488, 368904, 388320, 415017, 436860, 461130, 465984, 491872, 492480, 524232, 553356, 582480, 614840, 655290, 691695, 698976, 737808, 776640, 830034, 873720, 922260, 983744, 1048464, 1106712, 1164960, 1229680, 1245051, 1310580, 1383390, 1397952, 1475616, 1660068, 1747440, 1844520, 2075085, 2096928, 2213424, 2329920, 2459360, 2490102, 2621160, 2766780, 2951232, 3320136, 3494880, 3689040, 4150170, 4193856, 4426848, 4918720, 4980204, 5242320, 5533560, 6225255, 6640272, 6989760, 7378080, 8300340, 8853696, 9960408, 10484640, 11067120, 12450510, 13280544, 14756160, 16600680, 19920816, 20969280, 22134240, 24901020, 26561088, 33201360, 39841632, 44268480, 49802040, 66402720, 79683264, 99604080, 132805440, 199208160, 398416320]

約数ペア:

[(1, 398416320), (2, 199208160), (3, 132805440), (4, 99604080), (5, 79683264), (6, 66402720), (8, 49802040), (9, 44268480), (10, 39841632), (12, 33201360), (15, 26561088), (16, 24901020), (18, 22134240), (19, 20969280), (20, 19920816), (24, 16600680), (27, 14756160), (30, 13280544), (32, 12450510), (36, 11067120), (38, 10484640), (40, 9960408), (45, 8853696), (48, 8300340), (54, 7378080), (57, 6989760), (60, 6640272), (64, 6225255), (72, 5533560), (76, 5242320), (80, 4980204), (81, 4918720), (90, 4426848), (95, 4193856), (96, 4150170), (108, 3689040), (114, 3494880), (120, 3320136), (135, 2951232), (144, 2766780), (152, 2621160), (160, 2490102), (162, 2459360), (171, 2329920), (180, 2213424), (190, 2096928), (192, 2075085), (216, 1844520), (228, 1747440), (240, 1660068), (270, 1475616), (285, 1397952), (288, 1383390), (304, 1310580), (320, 1245051), (324, 1229680), (342, 1164960), (360, 1106712), (380, 1048464), (405, 983744), (432, 922260), (456, 873720), (480, 830034), (513, 776640), (540, 737808), (570, 698976), (576, 691695), (608, 655290), (648, 614840), (684, 582480), (720, 553356), (760, 524232), (809, 492480), (810, 491872), (855, 465984), (864, 461130), (912, 436860), (960, 415017), (1026, 388320), (1080, 368904), (1140, 349488), (1216, 327645), (1296, 307420), (1368, 291240), (1440, 276678), (1520, 262116), (1539, 258880), (1618, 246240), (1620, 245936), (1710, 232992), (1728, 230565), (1824, 218430), (2052, 194160), (2160, 184452), (2280, 174744), (2427, 164160), (2565, 155328), (2592, 153710), (2736, 145620), (2880, 138339), (3040, 131058), (3078, 129440), (3236, 123120), (3240, 122968), (3420, 116496), (3648, 109215), (4045, 98496), (4104, 97080), (4320, 92226), (4560, 87372), (4854, 82080), (5130, 77664), (5184, 76855), (5472, 72810), (6080, 65529), (6156, 64720), (6472, 61560), (6480, 61484), (6840, 58248), (7281, 54720), (7695, 51776), (8090, 49248), (8208, 48540), (8640, 46113), (9120, 43686), (9708, 41040), (10260, 38832), (10944, 36405), (12135, 32832), (12312, 32360), (12944, 30780), (12960, 30742), (13680, 29124), (14562, 27360), (15371, 25920), (15390, 25888), (16180, 24624), (16416, 24270), (18240, 21843), (19416, 20520)]