647381520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:314

約数の個数: 240

約数和(自身を含む): 2243807280

約数和(自身を除く): 1596425760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 109, 113, 120, 144, 146, 180, 218, 219, 226, 240, 292, 327, 339, 360, 365, 436, 438, 452, 545, 565, 584, 654, 657, 678, 720, 730, 872, 876, 904, 981, 1017, 1090, 1095, 1130, 1168, 1308, 1314, 1356, 1460, 1635, 1695, 1744, 1752, 1808, 1962, 2034, 2180, 2190, 2260, 2616, 2628, 2712, 2920, 3270, 3285, 3390, 3504, 3924, 4068, 4360, 4380, 4520, 4905, 5085, 5232, 5256, 5424, 5840, 6540, 6570, 6780, 7848, 7957, 8136, 8249, 8720, 8760, 9040, 9810, 10170, 10512, 12317, 13080, 13140, 13560, 15696, 15914, 16272, 16498, 17520, 19620, 20340, 23871, 24634, 24747, 26160, 26280, 27120, 31828, 32996, 36951, 39240, 39785, 40680, 41245, 47742, 49268, 49494, 52560, 61585, 63656, 65992, 71613, 73902, 74241, 78480, 79570, 81360, 82490, 95484, 98536, 98988, 110853, 119355, 123170, 123735, 127312, 131984, 143226, 147804, 148482, 159140, 164980, 184755, 190968, 197072, 197976, 221706, 238710, 246340, 247470, 286452, 295608, 296964, 318280, 329960, 358065, 369510, 371205, 381936, 395952, 443412, 477420, 492680, 494940, 554265, 572904, 591216, 593928, 636560, 659920, 716130, 739020, 742410, 886824, 899141, 954840, 985360, 989880, 1108530, 1145808, 1187856, 1432260, 1478040, 1484820, 1773648, 1798282, 1909680, 1979760, 2217060, 2697423, 2864520, 2956080, 2969640, 3596564, 4434120, 4495705, 5394846, 5729040, 5939280, 7193128, 8092269, 8868240, 8991410, 10789692, 13487115, 14386256, 16184538, 17982820, 21579384, 26974230, 32369076, 35965640, 40461345, 43158768, 53948460, 64738152, 71931280, 80922690, 107896920, 129476304, 161845380, 215793840, 323690760, 647381520]

約数ペア:

[(1, 647381520), (2, 323690760), (3, 215793840), (4, 161845380), (5, 129476304), (6, 107896920), (8, 80922690), (9, 71931280), (10, 64738152), (12, 53948460), (15, 43158768), (16, 40461345), (18, 35965640), (20, 32369076), (24, 26974230), (30, 21579384), (36, 17982820), (40, 16184538), (45, 14386256), (48, 13487115), (60, 10789692), (72, 8991410), (73, 8868240), (80, 8092269), (90, 7193128), (109, 5939280), (113, 5729040), (120, 5394846), (144, 4495705), (146, 4434120), (180, 3596564), (218, 2969640), (219, 2956080), (226, 2864520), (240, 2697423), (292, 2217060), (327, 1979760), (339, 1909680), (360, 1798282), (365, 1773648), (436, 1484820), (438, 1478040), (452, 1432260), (545, 1187856), (565, 1145808), (584, 1108530), (654, 989880), (657, 985360), (678, 954840), (720, 899141), (730, 886824), (872, 742410), (876, 739020), (904, 716130), (981, 659920), (1017, 636560), (1090, 593928), (1095, 591216), (1130, 572904), (1168, 554265), (1308, 494940), (1314, 492680), (1356, 477420), (1460, 443412), (1635, 395952), (1695, 381936), (1744, 371205), (1752, 369510), (1808, 358065), (1962, 329960), (2034, 318280), (2180, 296964), (2190, 295608), (2260, 286452), (2616, 247470), (2628, 246340), (2712, 238710), (2920, 221706), (3270, 197976), (3285, 197072), (3390, 190968), (3504, 184755), (3924, 164980), (4068, 159140), (4360, 148482), (4380, 147804), (4520, 143226), (4905, 131984), (5085, 127312), (5232, 123735), (5256, 123170), (5424, 119355), (5840, 110853), (6540, 98988), (6570, 98536), (6780, 95484), (7848, 82490), (7957, 81360), (8136, 79570), (8249, 78480), (8720, 74241), (8760, 73902), (9040, 71613), (9810, 65992), (10170, 63656), (10512, 61585), (12317, 52560), (13080, 49494), (13140, 49268), (13560, 47742), (15696, 41245), (15914, 40680), (16272, 39785), (16498, 39240), (17520, 36951), (19620, 32996), (20340, 31828), (23871, 27120), (24634, 26280), (24747, 26160)]