123858720

素因数分解:

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

素因数の和:549

約数の個数: 240

約数和(自身を含む): 461039040

約数和(自身を除く): 337180320

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, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 503, 513, 540, 570, 608, 648, 684, 720, 760, 810, 855, 864, 912, 1006, 1026, 1080, 1140, 1296, 1368, 1440, 1509, 1520, 1539, 1620, 1710, 1824, 2012, 2052, 2160, 2280, 2515, 2565, 2592, 2736, 3018, 3040, 3078, 3240, 3420, 4024, 4104, 4320, 4527, 4560, 5030, 5130, 5472, 6036, 6156, 6480, 6840, 7545, 7695, 8048, 8208, 9054, 9120, 9557, 10060, 10260, 12072, 12312, 12960, 13581, 13680, 15090, 15390, 16096, 16416, 18108, 19114, 20120, 20520, 22635, 24144, 24624, 27162, 27360, 28671, 30180, 30780, 36216, 38228, 40240, 40743, 41040, 45270, 47785, 48288, 49248, 54324, 57342, 60360, 61560, 67905, 72432, 76456, 80480, 81486, 82080, 86013, 90540, 95570, 108648, 114684, 120720, 123120, 135810, 143355, 144864, 152912, 162972, 172026, 181080, 191140, 203715, 217296, 229368, 241440, 246240, 258039, 271620, 286710, 305824, 325944, 344052, 362160, 382280, 407430, 430065, 434592, 458736, 516078, 543240, 573420, 651888, 688104, 724320, 764560, 774117, 814860, 860130, 917472, 1032156, 1086480, 1146840, 1290195, 1303776, 1376208, 1529120, 1548234, 1629720, 1720260, 2064312, 2172960, 2293680, 2580390, 2752416, 3096468, 3259440, 3440520, 3870585, 4128624, 4587360, 5160780, 6192936, 6518880, 6881040, 7741170, 8257248, 10321560, 12385872, 13762080, 15482340, 20643120, 24771744, 30964680, 41286240, 61929360, 123858720]

約数ペア:

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