1611365840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:449

約数の個数: 160

約数和(自身を含む): 4373053440

約数和(自身を除く): 2761687600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 139, 140, 163, 254, 278, 280, 326, 508, 556, 560, 635, 652, 695, 815, 889, 973, 1016, 1112, 1141, 1270, 1304, 1390, 1630, 1778, 1946, 2032, 2224, 2282, 2540, 2608, 2780, 3260, 3556, 3892, 4445, 4564, 4865, 5080, 5560, 5705, 6520, 7112, 7784, 8890, 9128, 9730, 10160, 11120, 11410, 13040, 14224, 15568, 17653, 17780, 18256, 19460, 20701, 22657, 22820, 35306, 35560, 38920, 41402, 45314, 45640, 70612, 71120, 77840, 82804, 88265, 90628, 91280, 103505, 113285, 123571, 141224, 144907, 158599, 165608, 176530, 181256, 207010, 226570, 247142, 282448, 289814, 317198, 331216, 353060, 362512, 414020, 453140, 494284, 579628, 617855, 634396, 706120, 724535, 792995, 828040, 906280, 988568, 1159256, 1235710, 1268792, 1412240, 1449070, 1585990, 1656080, 1812560, 1977136, 2318512, 2471420, 2537584, 2877439, 2898140, 3171980, 4942840, 5754878, 5796280, 6343960, 9885680, 11509756, 11592560, 12687920, 14387195, 20142073, 23019512, 28774390, 40284146, 46039024, 57548780, 80568292, 100710365, 115097560, 161136584, 201420730, 230195120, 322273168, 402841460, 805682920, 1611365840]

約数ペア:

[(1, 1611365840), (2, 805682920), (4, 402841460), (5, 322273168), (7, 230195120), (8, 201420730), (10, 161136584), (14, 115097560), (16, 100710365), (20, 80568292), (28, 57548780), (35, 46039024), (40, 40284146), (56, 28774390), (70, 23019512), (80, 20142073), (112, 14387195), (127, 12687920), (139, 11592560), (140, 11509756), (163, 9885680), (254, 6343960), (278, 5796280), (280, 5754878), (326, 4942840), (508, 3171980), (556, 2898140), (560, 2877439), (635, 2537584), (652, 2471420), (695, 2318512), (815, 1977136), (889, 1812560), (973, 1656080), (1016, 1585990), (1112, 1449070), (1141, 1412240), (1270, 1268792), (1304, 1235710), (1390, 1159256), (1630, 988568), (1778, 906280), (1946, 828040), (2032, 792995), (2224, 724535), (2282, 706120), (2540, 634396), (2608, 617855), (2780, 579628), (3260, 494284), (3556, 453140), (3892, 414020), (4445, 362512), (4564, 353060), (4865, 331216), (5080, 317198), (5560, 289814), (5705, 282448), (6520, 247142), (7112, 226570), (7784, 207010), (8890, 181256), (9128, 176530), (9730, 165608), (10160, 158599), (11120, 144907), (11410, 141224), (13040, 123571), (14224, 113285), (15568, 103505), (17653, 91280), (17780, 90628), (18256, 88265), (19460, 82804), (20701, 77840), (22657, 71120), (22820, 70612), (35306, 45640), (35560, 45314), (38920, 41402)]