81880680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1039

約数の個数: 128

約数和(自身を含む): 283668480

約数和(自身を除く): 201787800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 535, 642, 749, 840, 856, 911, 1070, 1284, 1498, 1605, 1822, 2140, 2247, 2568, 2733, 2996, 3210, 3644, 3745, 4280, 4494, 4555, 5466, 5992, 6377, 6420, 7288, 7490, 8988, 9110, 10932, 11235, 12754, 12840, 13665, 14980, 17976, 18220, 19131, 21864, 22470, 25508, 27330, 29960, 31885, 36440, 38262, 44940, 51016, 54660, 63770, 76524, 89880, 95655, 97477, 109320, 127540, 153048, 191310, 194954, 255080, 292431, 382620, 389908, 487385, 584862, 682339, 765240, 779816, 974770, 1169724, 1364678, 1462155, 1949540, 2047017, 2339448, 2729356, 2924310, 3411695, 3899080, 4094034, 5458712, 5848620, 6823390, 8188068, 10235085, 11697240, 13646780, 16376136, 20470170, 27293560, 40940340, 81880680]

約数ペア:

[(1, 81880680), (2, 40940340), (3, 27293560), (4, 20470170), (5, 16376136), (6, 13646780), (7, 11697240), (8, 10235085), (10, 8188068), (12, 6823390), (14, 5848620), (15, 5458712), (20, 4094034), (21, 3899080), (24, 3411695), (28, 2924310), (30, 2729356), (35, 2339448), (40, 2047017), (42, 1949540), (56, 1462155), (60, 1364678), (70, 1169724), (84, 974770), (105, 779816), (107, 765240), (120, 682339), (140, 584862), (168, 487385), (210, 389908), (214, 382620), (280, 292431), (321, 255080), (420, 194954), (428, 191310), (535, 153048), (642, 127540), (749, 109320), (840, 97477), (856, 95655), (911, 89880), (1070, 76524), (1284, 63770), (1498, 54660), (1605, 51016), (1822, 44940), (2140, 38262), (2247, 36440), (2568, 31885), (2733, 29960), (2996, 27330), (3210, 25508), (3644, 22470), (3745, 21864), (4280, 19131), (4494, 18220), (4555, 17976), (5466, 14980), (5992, 13665), (6377, 12840), (6420, 12754), (7288, 11235), (7490, 10932), (8988, 9110)]