1721188560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78809}}^1$

素因数の和:78845

約数の個数: 160

約数和(自身を含む): 6567079680

約数和(自身を除く): 4845891120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 21840, 78809, 157618, 236427, 315236, 394045, 472854, 551663, 630472, 788090, 945708, 1024517, 1103326, 1182135, 1260944, 1576180, 1654989, 1891416, 2049034, 2206652, 2364270, 2758315, 3073551, 3152360, 3309978, 3782832, 4098068, 4413304, 4728540, 5122585, 5516630, 6147102, 6304720, 6619956, 7171619, 8196136, 8274945, 8826608, 9457080, 10245170, 11033260, 12294204, 13239912, 14343238, 15367755, 16392272, 16549890, 18914160, 20490340, 21514857, 22066520, 24588408, 26479824, 28686476, 30735510, 33099780, 35858095, 40980680, 43029714, 44133040, 49176816, 57372952, 61471020, 66199560, 71716190, 81961360, 86059428, 107574285, 114745904, 122942040, 132399120, 143432380, 172118856, 215148570, 245884080, 286864760, 344237712, 430297140, 573729520, 860594280, 1721188560]

約数ペア:

[(1, 1721188560), (2, 860594280), (3, 573729520), (4, 430297140), (5, 344237712), (6, 286864760), (7, 245884080), (8, 215148570), (10, 172118856), (12, 143432380), (13, 132399120), (14, 122942040), (15, 114745904), (16, 107574285), (20, 86059428), (21, 81961360), (24, 71716190), (26, 66199560), (28, 61471020), (30, 57372952), (35, 49176816), (39, 44133040), (40, 43029714), (42, 40980680), (48, 35858095), (52, 33099780), (56, 30735510), (60, 28686476), (65, 26479824), (70, 24588408), (78, 22066520), (80, 21514857), (84, 20490340), (91, 18914160), (104, 16549890), (105, 16392272), (112, 15367755), (120, 14343238), (130, 13239912), (140, 12294204), (156, 11033260), (168, 10245170), (182, 9457080), (195, 8826608), (208, 8274945), (210, 8196136), (240, 7171619), (260, 6619956), (273, 6304720), (280, 6147102), (312, 5516630), (336, 5122585), (364, 4728540), (390, 4413304), (420, 4098068), (455, 3782832), (520, 3309978), (546, 3152360), (560, 3073551), (624, 2758315), (728, 2364270), (780, 2206652), (840, 2049034), (910, 1891416), (1040, 1654989), (1092, 1576180), (1365, 1260944), (1456, 1182135), (1560, 1103326), (1680, 1024517), (1820, 945708), (2184, 788090), (2730, 630472), (3120, 551663), (3640, 472854), (4368, 394045), (5460, 315236), (7280, 236427), (10920, 157618), (21840, 78809)]