638370720

素因数分解:

$2^5\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 336

約数和(自身を含む): 2440913832

約数和(自身を除く): 1802543112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 421, 432, 468, 480, 486, 520, 540, 585, 624, 648, 702, 720, 729, 780, 810, 842, 864, 936, 972, 1040, 1053, 1080, 1170, 1215, 1248, 1263, 1296, 1404, 1440, 1458, 1560, 1620, 1684, 1755, 1872, 1944, 2080, 2105, 2106, 2160, 2340, 2430, 2526, 2592, 2808, 2916, 3120, 3159, 3240, 3368, 3510, 3645, 3744, 3789, 3888, 4210, 4212, 4320, 4680, 4860, 5052, 5265, 5473, 5616, 5832, 6240, 6315, 6318, 6480, 6736, 7020, 7290, 7578, 7776, 8420, 8424, 9360, 9477, 9720, 10104, 10530, 10946, 11232, 11367, 11664, 12630, 12636, 12960, 13472, 14040, 14580, 15156, 15795, 16419, 16840, 16848, 18720, 18945, 18954, 19440, 20208, 21060, 21892, 22734, 23328, 25260, 25272, 27365, 28080, 29160, 30312, 31590, 32838, 33680, 33696, 34101, 37890, 37908, 38880, 40416, 42120, 43784, 45468, 47385, 49257, 50520, 50544, 54730, 56160, 56835, 58320, 60624, 63180, 65676, 67360, 68202, 75780, 75816, 82095, 84240, 87568, 90936, 94770, 98514, 101040, 101088, 102303, 109460, 113670, 116640, 121248, 126360, 131352, 136404, 147771, 151560, 151632, 164190, 168480, 170505, 175136, 181872, 189540, 197028, 202080, 204606, 218920, 227340, 246285, 252720, 262704, 272808, 295542, 303120, 303264, 306909, 328380, 341010, 363744, 379080, 394056, 409212, 437840, 443313, 454680, 492570, 505440, 511515, 525408, 545616, 591084, 606240, 613818, 656760, 682020, 738855, 758160, 788112, 818424, 875680, 886626, 909360, 985140, 1023030, 1091232, 1182168, 1227636, 1313520, 1329939, 1364040, 1477710, 1516320, 1534545, 1576224, 1636848, 1773252, 1818720, 1970280, 2046060, 2216565, 2364336, 2455272, 2627040, 2659878, 2728080, 2955420, 3069090, 3273696, 3546504, 3940560, 3989817, 4092120, 4433130, 4728672, 4910544, 5319756, 5456160, 5910840, 6138180, 6649695, 7093008, 7881120, 7979634, 8184240, 8866260, 9821088, 10639512, 11821680, 12276360, 13299390, 14186016, 15959268, 16368480, 17732520, 19949085, 21279024, 23643360, 24552720, 26598780, 31918536, 35465040, 39898170, 42558048, 49105440, 53197560, 63837072, 70930080, 79796340, 106395120, 127674144, 159592680, 212790240, 319185360, 638370720]

約数ペア:

[(1, 638370720), (2, 319185360), (3, 212790240), (4, 159592680), (5, 127674144), (6, 106395120), (8, 79796340), (9, 70930080), (10, 63837072), (12, 53197560), (13, 49105440), (15, 42558048), (16, 39898170), (18, 35465040), (20, 31918536), (24, 26598780), (26, 24552720), (27, 23643360), (30, 21279024), (32, 19949085), (36, 17732520), (39, 16368480), (40, 15959268), (45, 14186016), (48, 13299390), (52, 12276360), (54, 11821680), (60, 10639512), (65, 9821088), (72, 8866260), (78, 8184240), (80, 7979634), (81, 7881120), (90, 7093008), (96, 6649695), (104, 6138180), (108, 5910840), (117, 5456160), (120, 5319756), (130, 4910544), (135, 4728672), (144, 4433130), (156, 4092120), (160, 3989817), (162, 3940560), (180, 3546504), (195, 3273696), (208, 3069090), (216, 2955420), (234, 2728080), (240, 2659878), (243, 2627040), (260, 2455272), (270, 2364336), (288, 2216565), (312, 2046060), (324, 1970280), (351, 1818720), (360, 1773252), (390, 1636848), (405, 1576224), (416, 1534545), (421, 1516320), (432, 1477710), (468, 1364040), (480, 1329939), (486, 1313520), (520, 1227636), (540, 1182168), (585, 1091232), (624, 1023030), (648, 985140), (702, 909360), (720, 886626), (729, 875680), (780, 818424), (810, 788112), (842, 758160), (864, 738855), (936, 682020), (972, 656760), (1040, 613818), (1053, 606240), (1080, 591084), (1170, 545616), (1215, 525408), (1248, 511515), (1263, 505440), (1296, 492570), (1404, 454680), (1440, 443313), (1458, 437840), (1560, 409212), (1620, 394056), (1684, 379080), (1755, 363744), (1872, 341010), (1944, 328380), (2080, 306909), (2105, 303264), (2106, 303120), (2160, 295542), (2340, 272808), (2430, 262704), (2526, 252720), (2592, 246285), (2808, 227340), (2916, 218920), (3120, 204606), (3159, 202080), (3240, 197028), (3368, 189540), (3510, 181872), (3645, 175136), (3744, 170505), (3789, 168480), (3888, 164190), (4210, 151632), (4212, 151560), (4320, 147771), (4680, 136404), (4860, 131352), (5052, 126360), (5265, 121248), (5473, 116640), (5616, 113670), (5832, 109460), (6240, 102303), (6315, 101088), (6318, 101040), (6480, 98514), (6736, 94770), (7020, 90936), (7290, 87568), (7578, 84240), (7776, 82095), (8420, 75816), (8424, 75780), (9360, 68202), (9477, 67360), (9720, 65676), (10104, 63180), (10530, 60624), (10946, 58320), (11232, 56835), (11367, 56160), (11664, 54730), (12630, 50544), (12636, 50520), (12960, 49257), (13472, 47385), (14040, 45468), (14580, 43784), (15156, 42120), (15795, 40416), (16419, 38880), (16840, 37908), (16848, 37890), (18720, 34101), (18945, 33696), (18954, 33680), (19440, 32838), (20208, 31590), (21060, 30312), (21892, 29160), (22734, 28080), (23328, 27365), (25260, 25272)]