68657820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 216

約数和(自身を含む): 247079952

約数和(自身を除く): 178422132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 121, 132, 140, 147, 154, 165, 193, 196, 210, 220, 231, 242, 245, 294, 308, 330, 363, 385, 386, 420, 462, 484, 490, 539, 579, 588, 605, 660, 726, 735, 770, 772, 847, 924, 965, 980, 1078, 1155, 1158, 1210, 1351, 1452, 1470, 1540, 1617, 1694, 1815, 1930, 2123, 2156, 2310, 2316, 2420, 2541, 2695, 2702, 2895, 2940, 3234, 3388, 3630, 3860, 4053, 4235, 4246, 4620, 5082, 5390, 5404, 5790, 5929, 6369, 6468, 6755, 7260, 8085, 8106, 8470, 8492, 9457, 10164, 10615, 10780, 11580, 11858, 12705, 12738, 13510, 14861, 16170, 16212, 16940, 17787, 18914, 20265, 21230, 23353, 23716, 25410, 25476, 27020, 28371, 29645, 29722, 31845, 32340, 35574, 37828, 40530, 42460, 44583, 46706, 47285, 50820, 56742, 59290, 59444, 63690, 70059, 71148, 74305, 81060, 88935, 89166, 93412, 94570, 104027, 113484, 116765, 118580, 127380, 140118, 141855, 148610, 163471, 177870, 178332, 189140, 208054, 222915, 233530, 280236, 283710, 297220, 312081, 326942, 350295, 355740, 416108, 445830, 467060, 490413, 520135, 567420, 624162, 653884, 700590, 817355, 891660, 980826, 1040270, 1144297, 1248324, 1401180, 1560405, 1634710, 1961652, 2080540, 2288594, 2452065, 3120810, 3269420, 3432891, 4577188, 4904130, 5721485, 6241620, 6865782, 9808260, 11442970, 13731564, 17164455, 22885940, 34328910, 68657820]

約数ペア:

[(1, 68657820), (2, 34328910), (3, 22885940), (4, 17164455), (5, 13731564), (6, 11442970), (7, 9808260), (10, 6865782), (11, 6241620), (12, 5721485), (14, 4904130), (15, 4577188), (20, 3432891), (21, 3269420), (22, 3120810), (28, 2452065), (30, 2288594), (33, 2080540), (35, 1961652), (42, 1634710), (44, 1560405), (49, 1401180), (55, 1248324), (60, 1144297), (66, 1040270), (70, 980826), (77, 891660), (84, 817355), (98, 700590), (105, 653884), (110, 624162), (121, 567420), (132, 520135), (140, 490413), (147, 467060), (154, 445830), (165, 416108), (193, 355740), (196, 350295), (210, 326942), (220, 312081), (231, 297220), (242, 283710), (245, 280236), (294, 233530), (308, 222915), (330, 208054), (363, 189140), (385, 178332), (386, 177870), (420, 163471), (462, 148610), (484, 141855), (490, 140118), (539, 127380), (579, 118580), (588, 116765), (605, 113484), (660, 104027), (726, 94570), (735, 93412), (770, 89166), (772, 88935), (847, 81060), (924, 74305), (965, 71148), (980, 70059), (1078, 63690), (1155, 59444), (1158, 59290), (1210, 56742), (1351, 50820), (1452, 47285), (1470, 46706), (1540, 44583), (1617, 42460), (1694, 40530), (1815, 37828), (1930, 35574), (2123, 32340), (2156, 31845), (2310, 29722), (2316, 29645), (2420, 28371), (2541, 27020), (2695, 25476), (2702, 25410), (2895, 23716), (2940, 23353), (3234, 21230), (3388, 20265), (3630, 18914), (3860, 17787), (4053, 16940), (4235, 16212), (4246, 16170), (4620, 14861), (5082, 13510), (5390, 12738), (5404, 12705), (5790, 11858), (5929, 11580), (6369, 10780), (6468, 10615), (6755, 10164), (7260, 9457), (8085, 8492), (8106, 8470)]