289985280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 1030862784

約数和(自身を除く): 740877504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 37, 39, 40, 48, 52, 60, 64, 65, 74, 78, 80, 96, 104, 111, 120, 128, 130, 148, 156, 157, 160, 185, 192, 195, 208, 222, 240, 256, 260, 296, 312, 314, 320, 370, 384, 390, 416, 444, 471, 480, 481, 520, 555, 592, 624, 628, 640, 740, 768, 780, 785, 832, 888, 942, 960, 962, 1040, 1110, 1184, 1248, 1256, 1280, 1443, 1480, 1560, 1570, 1664, 1776, 1884, 1920, 1924, 2041, 2080, 2220, 2355, 2368, 2405, 2496, 2512, 2886, 2960, 3120, 3140, 3328, 3552, 3768, 3840, 3848, 4082, 4160, 4440, 4710, 4736, 4810, 4992, 5024, 5772, 5809, 5920, 6123, 6240, 6280, 7104, 7215, 7536, 7696, 8164, 8320, 8880, 9420, 9472, 9620, 9984, 10048, 10205, 11544, 11618, 11840, 12246, 12480, 12560, 14208, 14430, 15072, 15392, 16328, 16640, 17427, 17760, 18840, 19240, 20096, 20410, 23088, 23236, 23680, 24492, 24960, 25120, 28416, 28860, 29045, 30144, 30615, 30784, 32656, 34854, 35520, 37680, 38480, 40192, 40820, 46176, 46472, 47360, 48984, 49920, 50240, 57720, 58090, 60288, 61230, 61568, 65312, 69708, 71040, 75360, 75517, 76960, 81640, 87135, 92352, 92944, 97968, 100480, 115440, 116180, 120576, 122460, 123136, 130624, 139416, 142080, 150720, 151034, 153920, 163280, 174270, 184704, 185888, 195936, 200960, 226551, 230880, 232360, 244920, 261248, 278832, 301440, 302068, 307840, 326560, 348540, 369408, 371776, 377585, 391872, 453102, 461760, 464720, 489840, 522496, 557664, 602880, 604136, 615680, 653120, 697080, 743552, 755170, 783744, 906204, 923520, 929440, 979680, 1115328, 1132755, 1208272, 1306240, 1394160, 1487104, 1510340, 1567488, 1812408, 1847040, 1858880, 1959360, 2230656, 2265510, 2416544, 2612480, 2788320, 3020680, 3624816, 3717760, 3918720, 4461312, 4531020, 4833088, 5576640, 6041360, 7249632, 7435520, 7837440, 9062040, 9666176, 11153280, 12082720, 14499264, 18124080, 19332352, 22306560, 24165440, 28998528, 36248160, 48330880, 57997056, 72496320, 96661760, 144992640, 289985280]

約数ペア:

[(1, 289985280), (2, 144992640), (3, 96661760), (4, 72496320), (5, 57997056), (6, 48330880), (8, 36248160), (10, 28998528), (12, 24165440), (13, 22306560), (15, 19332352), (16, 18124080), (20, 14499264), (24, 12082720), (26, 11153280), (30, 9666176), (32, 9062040), (37, 7837440), (39, 7435520), (40, 7249632), (48, 6041360), (52, 5576640), (60, 4833088), (64, 4531020), (65, 4461312), (74, 3918720), (78, 3717760), (80, 3624816), (96, 3020680), (104, 2788320), (111, 2612480), (120, 2416544), (128, 2265510), (130, 2230656), (148, 1959360), (156, 1858880), (157, 1847040), (160, 1812408), (185, 1567488), (192, 1510340), (195, 1487104), (208, 1394160), (222, 1306240), (240, 1208272), (256, 1132755), (260, 1115328), (296, 979680), (312, 929440), (314, 923520), (320, 906204), (370, 783744), (384, 755170), (390, 743552), (416, 697080), (444, 653120), (471, 615680), (480, 604136), (481, 602880), (520, 557664), (555, 522496), (592, 489840), (624, 464720), (628, 461760), (640, 453102), (740, 391872), (768, 377585), (780, 371776), (785, 369408), (832, 348540), (888, 326560), (942, 307840), (960, 302068), (962, 301440), (1040, 278832), (1110, 261248), (1184, 244920), (1248, 232360), (1256, 230880), (1280, 226551), (1443, 200960), (1480, 195936), (1560, 185888), (1570, 184704), (1664, 174270), (1776, 163280), (1884, 153920), (1920, 151034), (1924, 150720), (2041, 142080), (2080, 139416), (2220, 130624), (2355, 123136), (2368, 122460), (2405, 120576), (2496, 116180), (2512, 115440), (2886, 100480), (2960, 97968), (3120, 92944), (3140, 92352), (3328, 87135), (3552, 81640), (3768, 76960), (3840, 75517), (3848, 75360), (4082, 71040), (4160, 69708), (4440, 65312), (4710, 61568), (4736, 61230), (4810, 60288), (4992, 58090), (5024, 57720), (5772, 50240), (5809, 49920), (5920, 48984), (6123, 47360), (6240, 46472), (6280, 46176), (7104, 40820), (7215, 40192), (7536, 38480), (7696, 37680), (8164, 35520), (8320, 34854), (8880, 32656), (9420, 30784), (9472, 30615), (9620, 30144), (9984, 29045), (10048, 28860), (10205, 28416), (11544, 25120), (11618, 24960), (11840, 24492), (12246, 23680), (12480, 23236), (12560, 23088), (14208, 20410), (14430, 20096), (15072, 19240), (15392, 18840), (16328, 17760), (16640, 17427)]