657123120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:608

約数の個数: 240

約数和(自身を含む): 2321280000

約数和(自身を除く): 1664156880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 59, 60, 62, 72, 80, 90, 93, 118, 120, 124, 144, 155, 177, 180, 186, 236, 240, 248, 279, 295, 310, 354, 360, 372, 465, 472, 496, 499, 531, 558, 590, 620, 708, 720, 744, 885, 930, 944, 998, 1062, 1116, 1180, 1240, 1395, 1416, 1488, 1497, 1770, 1829, 1860, 1996, 2124, 2232, 2360, 2480, 2495, 2655, 2790, 2832, 2994, 3540, 3658, 3720, 3992, 4248, 4464, 4491, 4720, 4990, 5310, 5487, 5580, 5988, 7080, 7316, 7440, 7485, 7984, 8496, 8982, 9145, 9980, 10620, 10974, 11160, 11976, 14160, 14632, 14970, 15469, 16461, 17964, 18290, 19960, 21240, 21948, 22320, 22455, 23952, 27435, 29264, 29441, 29940, 30938, 32922, 35928, 36580, 39920, 42480, 43896, 44910, 46407, 54870, 58882, 59880, 61876, 65844, 71856, 73160, 77345, 82305, 87792, 88323, 89820, 92814, 109740, 117764, 119760, 123752, 131688, 139221, 146320, 147205, 154690, 164610, 176646, 179640, 185628, 219480, 232035, 235528, 247504, 263376, 264969, 278442, 294410, 309380, 329220, 353292, 359280, 371256, 438960, 441615, 464070, 471056, 529938, 556884, 588820, 618760, 658440, 696105, 706584, 742512, 883230, 912671, 928140, 1059876, 1113768, 1177640, 1237520, 1316880, 1324845, 1392210, 1413168, 1766460, 1825342, 1856280, 2119752, 2227536, 2355280, 2649690, 2738013, 2784420, 3532920, 3650684, 3712560, 4239504, 4563355, 5299380, 5476026, 5568840, 7065840, 7301368, 8214039, 9126710, 10598760, 10952052, 11137680, 13690065, 14602736, 16428078, 18253420, 21197520, 21904104, 27380130, 32856156, 36506840, 41070195, 43808208, 54760260, 65712312, 73013680, 82140390, 109520520, 131424624, 164280780, 219041040, 328561560, 657123120]

約数ペア:

[(1, 657123120), (2, 328561560), (3, 219041040), (4, 164280780), (5, 131424624), (6, 109520520), (8, 82140390), (9, 73013680), (10, 65712312), (12, 54760260), (15, 43808208), (16, 41070195), (18, 36506840), (20, 32856156), (24, 27380130), (30, 21904104), (31, 21197520), (36, 18253420), (40, 16428078), (45, 14602736), (48, 13690065), (59, 11137680), (60, 10952052), (62, 10598760), (72, 9126710), (80, 8214039), (90, 7301368), (93, 7065840), (118, 5568840), (120, 5476026), (124, 5299380), (144, 4563355), (155, 4239504), (177, 3712560), (180, 3650684), (186, 3532920), (236, 2784420), (240, 2738013), (248, 2649690), (279, 2355280), (295, 2227536), (310, 2119752), (354, 1856280), (360, 1825342), (372, 1766460), (465, 1413168), (472, 1392210), (496, 1324845), (499, 1316880), (531, 1237520), (558, 1177640), (590, 1113768), (620, 1059876), (708, 928140), (720, 912671), (744, 883230), (885, 742512), (930, 706584), (944, 696105), (998, 658440), (1062, 618760), (1116, 588820), (1180, 556884), (1240, 529938), (1395, 471056), (1416, 464070), (1488, 441615), (1497, 438960), (1770, 371256), (1829, 359280), (1860, 353292), (1996, 329220), (2124, 309380), (2232, 294410), (2360, 278442), (2480, 264969), (2495, 263376), (2655, 247504), (2790, 235528), (2832, 232035), (2994, 219480), (3540, 185628), (3658, 179640), (3720, 176646), (3992, 164610), (4248, 154690), (4464, 147205), (4491, 146320), (4720, 139221), (4990, 131688), (5310, 123752), (5487, 119760), (5580, 117764), (5988, 109740), (7080, 92814), (7316, 89820), (7440, 88323), (7485, 87792), (7984, 82305), (8496, 77345), (8982, 73160), (9145, 71856), (9980, 65844), (10620, 61876), (10974, 59880), (11160, 58882), (11976, 54870), (14160, 46407), (14632, 44910), (14970, 43896), (15469, 42480), (16461, 39920), (17964, 36580), (18290, 35928), (19960, 32922), (21240, 30938), (21948, 29940), (22320, 29441), (22455, 29264), (23952, 27435)]