128928960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:615

約数の個数: 168

約数和(自身を含む): 449336160

約数和(自身を除く): 320407200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 192, 240, 267, 288, 320, 356, 360, 445, 480, 503, 534, 576, 712, 720, 801, 890, 960, 1006, 1068, 1335, 1424, 1440, 1509, 1602, 1780, 2012, 2136, 2515, 2670, 2848, 2880, 3018, 3204, 3560, 4005, 4024, 4272, 4527, 5030, 5340, 5696, 6036, 6408, 7120, 7545, 8010, 8048, 8544, 9054, 10060, 10680, 12072, 12816, 14240, 15090, 16020, 16096, 17088, 18108, 20120, 21360, 22635, 24144, 25632, 28480, 30180, 32040, 32192, 36216, 40240, 42720, 44767, 45270, 48288, 51264, 60360, 64080, 72432, 80480, 85440, 89534, 90540, 96576, 120720, 128160, 134301, 144864, 160960, 179068, 181080, 223835, 241440, 256320, 268602, 289728, 358136, 362160, 402903, 447670, 482880, 537204, 671505, 716272, 724320, 805806, 895340, 1074408, 1343010, 1432544, 1448640, 1611612, 1790680, 2014515, 2148816, 2686020, 2865088, 3223224, 3581360, 4029030, 4297632, 5372040, 6446448, 7162720, 8058060, 8595264, 10744080, 12892896, 14325440, 16116120, 21488160, 25785792, 32232240, 42976320, 64464480, 128928960]

約数ペア:

[(1, 128928960), (2, 64464480), (3, 42976320), (4, 32232240), (5, 25785792), (6, 21488160), (8, 16116120), (9, 14325440), (10, 12892896), (12, 10744080), (15, 8595264), (16, 8058060), (18, 7162720), (20, 6446448), (24, 5372040), (30, 4297632), (32, 4029030), (36, 3581360), (40, 3223224), (45, 2865088), (48, 2686020), (60, 2148816), (64, 2014515), (72, 1790680), (80, 1611612), (89, 1448640), (90, 1432544), (96, 1343010), (120, 1074408), (144, 895340), (160, 805806), (178, 724320), (180, 716272), (192, 671505), (240, 537204), (267, 482880), (288, 447670), (320, 402903), (356, 362160), (360, 358136), (445, 289728), (480, 268602), (503, 256320), (534, 241440), (576, 223835), (712, 181080), (720, 179068), (801, 160960), (890, 144864), (960, 134301), (1006, 128160), (1068, 120720), (1335, 96576), (1424, 90540), (1440, 89534), (1509, 85440), (1602, 80480), (1780, 72432), (2012, 64080), (2136, 60360), (2515, 51264), (2670, 48288), (2848, 45270), (2880, 44767), (3018, 42720), (3204, 40240), (3560, 36216), (4005, 32192), (4024, 32040), (4272, 30180), (4527, 28480), (5030, 25632), (5340, 24144), (5696, 22635), (6036, 21360), (6408, 20120), (7120, 18108), (7545, 17088), (8010, 16096), (8048, 16020), (8544, 15090), (9054, 14240), (10060, 12816), (10680, 12072)]