71471120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 205701120

約数和(自身を除く): 134230000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 179, 184, 217, 230, 248, 280, 310, 322, 358, 368, 434, 460, 496, 560, 620, 644, 713, 716, 805, 868, 895, 920, 1085, 1240, 1253, 1288, 1426, 1432, 1610, 1736, 1790, 1840, 2170, 2480, 2506, 2576, 2852, 2864, 3220, 3472, 3565, 3580, 4117, 4340, 4991, 5012, 5549, 5704, 6265, 6440, 7130, 7160, 8234, 8680, 9982, 10024, 11098, 11408, 12530, 12880, 14260, 14320, 16468, 17360, 19964, 20048, 20585, 22196, 24955, 25060, 27745, 28520, 28819, 32936, 38843, 39928, 41170, 44392, 49910, 50120, 55490, 57040, 57638, 65872, 77686, 79856, 82340, 88784, 99820, 100240, 110980, 115276, 127627, 144095, 155372, 164680, 194215, 199640, 221960, 230552, 255254, 288190, 310744, 329360, 388430, 399280, 443920, 461104, 510508, 576380, 621488, 638135, 776860, 893389, 1021016, 1152760, 1276270, 1553720, 1786778, 2042032, 2305520, 2552540, 3107440, 3573556, 4466945, 5105080, 7147112, 8933890, 10210160, 14294224, 17867780, 35735560, 71471120]

約数ペア:

[(1, 71471120), (2, 35735560), (4, 17867780), (5, 14294224), (7, 10210160), (8, 8933890), (10, 7147112), (14, 5105080), (16, 4466945), (20, 3573556), (23, 3107440), (28, 2552540), (31, 2305520), (35, 2042032), (40, 1786778), (46, 1553720), (56, 1276270), (62, 1152760), (70, 1021016), (80, 893389), (92, 776860), (112, 638135), (115, 621488), (124, 576380), (140, 510508), (155, 461104), (161, 443920), (179, 399280), (184, 388430), (217, 329360), (230, 310744), (248, 288190), (280, 255254), (310, 230552), (322, 221960), (358, 199640), (368, 194215), (434, 164680), (460, 155372), (496, 144095), (560, 127627), (620, 115276), (644, 110980), (713, 100240), (716, 99820), (805, 88784), (868, 82340), (895, 79856), (920, 77686), (1085, 65872), (1240, 57638), (1253, 57040), (1288, 55490), (1426, 50120), (1432, 49910), (1610, 44392), (1736, 41170), (1790, 39928), (1840, 38843), (2170, 32936), (2480, 28819), (2506, 28520), (2576, 27745), (2852, 25060), (2864, 24955), (3220, 22196), (3472, 20585), (3565, 20048), (3580, 19964), (4117, 17360), (4340, 16468), (4991, 14320), (5012, 14260), (5549, 12880), (5704, 12530), (6265, 11408), (6440, 11098), (7130, 10024), (7160, 9982), (8234, 8680)]