1668191840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2165

約数の個数: 192

約数和(自身を含む): 4853882880

約数和(自身を除く): 3185691040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 160, 161, 184, 217, 224, 230, 248, 280, 310, 322, 368, 434, 460, 496, 560, 620, 644, 713, 736, 805, 868, 920, 992, 1085, 1120, 1240, 1288, 1426, 1610, 1736, 1840, 2089, 2170, 2480, 2576, 2852, 3220, 3472, 3565, 3680, 4178, 4340, 4960, 4991, 5152, 5704, 6440, 6944, 7130, 8356, 8680, 9982, 10445, 11408, 12880, 14260, 14623, 16712, 17360, 19964, 20890, 22816, 24955, 25760, 28520, 29246, 33424, 34720, 39928, 41780, 48047, 49910, 57040, 58492, 64759, 66848, 73115, 79856, 83560, 96094, 99820, 114080, 116984, 129518, 146230, 159712, 167120, 192188, 199640, 233968, 240235, 259036, 292460, 323795, 334240, 336329, 384376, 399280, 453313, 467936, 480470, 518072, 584920, 647590, 672658, 768752, 798560, 906626, 960940, 1036144, 1169840, 1295180, 1345316, 1489457, 1537504, 1681645, 1813252, 1921880, 2072288, 2266565, 2339680, 2590360, 2690632, 2978914, 3363290, 3626504, 3843760, 4533130, 5180720, 5381264, 5957828, 6726580, 7253008, 7447285, 7687520, 9066260, 10361440, 10426199, 10762528, 11915656, 13453160, 14506016, 14894570, 18132520, 20852398, 23831312, 26906320, 29789140, 36265040, 41704796, 47662624, 52130995, 53812640, 59578280, 72530080, 83409592, 104261990, 119156560, 166819184, 208523980, 238313120, 333638368, 417047960, 834095920, 1668191840]

約数ペア:

[(1, 1668191840), (2, 834095920), (4, 417047960), (5, 333638368), (7, 238313120), (8, 208523980), (10, 166819184), (14, 119156560), (16, 104261990), (20, 83409592), (23, 72530080), (28, 59578280), (31, 53812640), (32, 52130995), (35, 47662624), (40, 41704796), (46, 36265040), (56, 29789140), (62, 26906320), (70, 23831312), (80, 20852398), (92, 18132520), (112, 14894570), (115, 14506016), (124, 13453160), (140, 11915656), (155, 10762528), (160, 10426199), (161, 10361440), (184, 9066260), (217, 7687520), (224, 7447285), (230, 7253008), (248, 6726580), (280, 5957828), (310, 5381264), (322, 5180720), (368, 4533130), (434, 3843760), (460, 3626504), (496, 3363290), (560, 2978914), (620, 2690632), (644, 2590360), (713, 2339680), (736, 2266565), (805, 2072288), (868, 1921880), (920, 1813252), (992, 1681645), (1085, 1537504), (1120, 1489457), (1240, 1345316), (1288, 1295180), (1426, 1169840), (1610, 1036144), (1736, 960940), (1840, 906626), (2089, 798560), (2170, 768752), (2480, 672658), (2576, 647590), (2852, 584920), (3220, 518072), (3472, 480470), (3565, 467936), (3680, 453313), (4178, 399280), (4340, 384376), (4960, 336329), (4991, 334240), (5152, 323795), (5704, 292460), (6440, 259036), (6944, 240235), (7130, 233968), (8356, 199640), (8680, 192188), (9982, 167120), (10445, 159712), (11408, 146230), (12880, 129518), (14260, 116984), (14623, 114080), (16712, 99820), (17360, 96094), (19964, 83560), (20890, 79856), (22816, 73115), (24955, 66848), (25760, 64759), (28520, 58492), (29246, 57040), (33424, 49910), (34720, 48047), (39928, 41780)]