326421680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 862444800

約数和(自身を除く): 536023120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 79, 80, 104, 116, 130, 137, 145, 158, 208, 232, 260, 274, 290, 316, 377, 395, 464, 520, 548, 580, 632, 685, 754, 790, 1027, 1040, 1096, 1160, 1264, 1370, 1508, 1580, 1781, 1885, 2054, 2192, 2291, 2320, 2740, 3016, 3160, 3562, 3770, 3973, 4108, 4582, 5135, 5480, 6032, 6320, 7124, 7540, 7946, 8216, 8905, 9164, 10270, 10823, 10960, 11455, 14248, 15080, 15892, 16432, 17810, 18328, 19865, 20540, 21646, 22910, 28496, 29783, 30160, 31784, 35620, 36656, 39730, 41080, 43292, 45820, 51649, 54115, 59566, 63568, 71240, 79460, 82160, 86584, 91640, 103298, 108230, 119132, 140699, 142480, 148915, 158920, 173168, 183280, 206596, 216460, 238264, 258245, 281398, 297830, 313867, 317840, 413192, 432920, 476528, 516490, 562796, 595660, 627734, 703495, 826384, 865840, 1032980, 1125592, 1191320, 1255468, 1406990, 1569335, 2065960, 2251184, 2382640, 2510936, 2813980, 3138670, 4080271, 4131920, 5021872, 5627960, 6277340, 8160542, 11255920, 12554680, 16321084, 20401355, 25109360, 32642168, 40802710, 65284336, 81605420, 163210840, 326421680]

約数ペア:

[(1, 326421680), (2, 163210840), (4, 81605420), (5, 65284336), (8, 40802710), (10, 32642168), (13, 25109360), (16, 20401355), (20, 16321084), (26, 12554680), (29, 11255920), (40, 8160542), (52, 6277340), (58, 5627960), (65, 5021872), (79, 4131920), (80, 4080271), (104, 3138670), (116, 2813980), (130, 2510936), (137, 2382640), (145, 2251184), (158, 2065960), (208, 1569335), (232, 1406990), (260, 1255468), (274, 1191320), (290, 1125592), (316, 1032980), (377, 865840), (395, 826384), (464, 703495), (520, 627734), (548, 595660), (580, 562796), (632, 516490), (685, 476528), (754, 432920), (790, 413192), (1027, 317840), (1040, 313867), (1096, 297830), (1160, 281398), (1264, 258245), (1370, 238264), (1508, 216460), (1580, 206596), (1781, 183280), (1885, 173168), (2054, 158920), (2192, 148915), (2291, 142480), (2320, 140699), (2740, 119132), (3016, 108230), (3160, 103298), (3562, 91640), (3770, 86584), (3973, 82160), (4108, 79460), (4582, 71240), (5135, 63568), (5480, 59566), (6032, 54115), (6320, 51649), (7124, 45820), (7540, 43292), (7946, 41080), (8216, 39730), (8905, 36656), (9164, 35620), (10270, 31784), (10823, 30160), (10960, 29783), (11455, 28496), (14248, 22910), (15080, 21646), (15892, 20540), (16432, 19865), (17810, 18328)]