247717440

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:551

約数の個数: 280

約数和(自身を含む): 929396160

約数和(自身を除く): 681678720

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, 503, 513, 540, 570, 576, 608, 648, 684, 720, 760, 810, 855, 864, 912, 960, 1006, 1026, 1080, 1140, 1216, 1296, 1368, 1440, 1509, 1520, 1539, 1620, 1710, 1728, 1824, 2012, 2052, 2160, 2280, 2515, 2565, 2592, 2736, 2880, 3018, 3040, 3078, 3240, 3420, 3648, 4024, 4104, 4320, 4527, 4560, 5030, 5130, 5184, 5472, 6036, 6080, 6156, 6480, 6840, 7545, 7695, 8048, 8208, 8640, 9054, 9120, 9557, 10060, 10260, 10944, 12072, 12312, 12960, 13581, 13680, 15090, 15390, 16096, 16416, 18108, 18240, 19114, 20120, 20520, 22635, 24144, 24624, 25920, 27162, 27360, 28671, 30180, 30780, 32192, 32832, 36216, 38228, 40240, 40743, 41040, 45270, 47785, 48288, 49248, 54324, 54720, 57342, 60360, 61560, 67905, 72432, 76456, 80480, 81486, 82080, 86013, 90540, 95570, 96576, 98496, 108648, 114684, 120720, 123120, 135810, 143355, 144864, 152912, 160960, 162972, 164160, 172026, 181080, 191140, 203715, 217296, 229368, 241440, 246240, 258039, 271620, 286710, 289728, 305824, 325944, 344052, 362160, 382280, 407430, 430065, 434592, 458736, 482880, 492480, 516078, 543240, 573420, 611648, 651888, 688104, 724320, 764560, 774117, 814860, 860130, 869184, 917472, 1032156, 1086480, 1146840, 1290195, 1303776, 1376208, 1448640, 1529120, 1548234, 1629720, 1720260, 1834944, 2064312, 2172960, 2293680, 2580390, 2607552, 2752416, 3058240, 3096468, 3259440, 3440520, 3870585, 4128624, 4345920, 4587360, 5160780, 5504832, 6192936, 6518880, 6881040, 7741170, 8257248, 9174720, 10321560, 12385872, 13037760, 13762080, 15482340, 16514496, 20643120, 24771744, 27524160, 30964680, 41286240, 49543488, 61929360, 82572480, 123858720, 247717440]

約数ペア:

[(1, 247717440), (2, 123858720), (3, 82572480), (4, 61929360), (5, 49543488), (6, 41286240), (8, 30964680), (9, 27524160), (10, 24771744), (12, 20643120), (15, 16514496), (16, 15482340), (18, 13762080), (19, 13037760), (20, 12385872), (24, 10321560), (27, 9174720), (30, 8257248), (32, 7741170), (36, 6881040), (38, 6518880), (40, 6192936), (45, 5504832), (48, 5160780), (54, 4587360), (57, 4345920), (60, 4128624), (64, 3870585), (72, 3440520), (76, 3259440), (80, 3096468), (81, 3058240), (90, 2752416), (95, 2607552), (96, 2580390), (108, 2293680), (114, 2172960), (120, 2064312), (135, 1834944), (144, 1720260), (152, 1629720), (160, 1548234), (162, 1529120), (171, 1448640), (180, 1376208), (190, 1303776), (192, 1290195), (216, 1146840), (228, 1086480), (240, 1032156), (270, 917472), (285, 869184), (288, 860130), (304, 814860), (320, 774117), (324, 764560), (342, 724320), (360, 688104), (380, 651888), (405, 611648), (432, 573420), (456, 543240), (480, 516078), (503, 492480), (513, 482880), (540, 458736), (570, 434592), (576, 430065), (608, 407430), (648, 382280), (684, 362160), (720, 344052), (760, 325944), (810, 305824), (855, 289728), (864, 286710), (912, 271620), (960, 258039), (1006, 246240), (1026, 241440), (1080, 229368), (1140, 217296), (1216, 203715), (1296, 191140), (1368, 181080), (1440, 172026), (1509, 164160), (1520, 162972), (1539, 160960), (1620, 152912), (1710, 144864), (1728, 143355), (1824, 135810), (2012, 123120), (2052, 120720), (2160, 114684), (2280, 108648), (2515, 98496), (2565, 96576), (2592, 95570), (2736, 90540), (2880, 86013), (3018, 82080), (3040, 81486), (3078, 80480), (3240, 76456), (3420, 72432), (3648, 67905), (4024, 61560), (4104, 60360), (4320, 57342), (4527, 54720), (4560, 54324), (5030, 49248), (5130, 48288), (5184, 47785), (5472, 45270), (6036, 41040), (6080, 40743), (6156, 40240), (6480, 38228), (6840, 36216), (7545, 32832), (7695, 32192), (8048, 30780), (8208, 30180), (8640, 28671), (9054, 27360), (9120, 27162), (9557, 25920), (10060, 24624), (10260, 24144), (10944, 22635), (12072, 20520), (12312, 20120), (12960, 19114), (13581, 18240), (13680, 18108), (15090, 16416), (15390, 16096)]