181997040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 160

約数和(自身を含む): 592819200

約数和(自身を除く): 410822160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 79, 80, 87, 116, 120, 145, 158, 174, 232, 237, 240, 290, 316, 331, 348, 395, 435, 464, 474, 580, 632, 662, 696, 790, 870, 948, 993, 1160, 1185, 1264, 1324, 1392, 1580, 1655, 1740, 1896, 1986, 2291, 2320, 2370, 2648, 3160, 3310, 3480, 3792, 3972, 4582, 4740, 4965, 5296, 6320, 6620, 6873, 6960, 7944, 9164, 9480, 9599, 9930, 11455, 13240, 13746, 15888, 18328, 18960, 19198, 19860, 22910, 26149, 26480, 27492, 28797, 34365, 36656, 38396, 39720, 45820, 47995, 52298, 54984, 57594, 68730, 76792, 78447, 79440, 91640, 95990, 104596, 109968, 115188, 130745, 137460, 143985, 153584, 156894, 183280, 191980, 209192, 230376, 261490, 274920, 287970, 313788, 383960, 392235, 418384, 460752, 522980, 549840, 575940, 627576, 758321, 767920, 784470, 1045960, 1151880, 1255152, 1516642, 1568940, 2091920, 2274963, 2303760, 3033284, 3137880, 3791605, 4549926, 6066568, 6275760, 7583210, 9099852, 11374815, 12133136, 15166420, 18199704, 22749630, 30332840, 36399408, 45499260, 60665680, 90998520, 181997040]

約数ペア:

[(1, 181997040), (2, 90998520), (3, 60665680), (4, 45499260), (5, 36399408), (6, 30332840), (8, 22749630), (10, 18199704), (12, 15166420), (15, 12133136), (16, 11374815), (20, 9099852), (24, 7583210), (29, 6275760), (30, 6066568), (40, 4549926), (48, 3791605), (58, 3137880), (60, 3033284), (79, 2303760), (80, 2274963), (87, 2091920), (116, 1568940), (120, 1516642), (145, 1255152), (158, 1151880), (174, 1045960), (232, 784470), (237, 767920), (240, 758321), (290, 627576), (316, 575940), (331, 549840), (348, 522980), (395, 460752), (435, 418384), (464, 392235), (474, 383960), (580, 313788), (632, 287970), (662, 274920), (696, 261490), (790, 230376), (870, 209192), (948, 191980), (993, 183280), (1160, 156894), (1185, 153584), (1264, 143985), (1324, 137460), (1392, 130745), (1580, 115188), (1655, 109968), (1740, 104596), (1896, 95990), (1986, 91640), (2291, 79440), (2320, 78447), (2370, 76792), (2648, 68730), (3160, 57594), (3310, 54984), (3480, 52298), (3792, 47995), (3972, 45820), (4582, 39720), (4740, 38396), (4965, 36656), (5296, 34365), (6320, 28797), (6620, 27492), (6873, 26480), (6960, 26149), (7944, 22910), (9164, 19860), (9480, 19198), (9599, 18960), (9930, 18328), (11455, 15888), (13240, 13746)]