78564640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:951

約数の個数: 144

約数和(自身を含む): 235799424

約数和(自身を除く): 157234784

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 911, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1822, 1960, 2156, 2464, 2695, 3080, 3644, 3920, 4312, 4555, 5390, 6160, 6377, 7288, 7840, 8624, 9110, 10021, 10780, 12320, 12754, 14576, 17248, 18220, 20042, 21560, 25508, 29152, 31885, 36440, 40084, 43120, 44639, 50105, 51016, 63770, 70147, 72880, 80168, 86240, 89278, 100210, 102032, 127540, 140294, 145760, 160336, 178556, 200420, 204064, 223195, 255080, 280588, 320672, 350735, 357112, 400840, 446390, 491029, 510160, 561176, 701470, 714224, 801680, 892780, 982058, 1020320, 1122352, 1402940, 1428448, 1603360, 1785560, 1964116, 2244704, 2455145, 2805880, 3571120, 3928232, 4910290, 5611760, 7142240, 7856464, 9820580, 11223520, 15712928, 19641160, 39282320, 78564640]

約数ペア:

[(1, 78564640), (2, 39282320), (4, 19641160), (5, 15712928), (7, 11223520), (8, 9820580), (10, 7856464), (11, 7142240), (14, 5611760), (16, 4910290), (20, 3928232), (22, 3571120), (28, 2805880), (32, 2455145), (35, 2244704), (40, 1964116), (44, 1785560), (49, 1603360), (55, 1428448), (56, 1402940), (70, 1122352), (77, 1020320), (80, 982058), (88, 892780), (98, 801680), (110, 714224), (112, 701470), (140, 561176), (154, 510160), (160, 491029), (176, 446390), (196, 400840), (220, 357112), (224, 350735), (245, 320672), (280, 280588), (308, 255080), (352, 223195), (385, 204064), (392, 200420), (440, 178556), (490, 160336), (539, 145760), (560, 140294), (616, 127540), (770, 102032), (784, 100210), (880, 89278), (911, 86240), (980, 80168), (1078, 72880), (1120, 70147), (1232, 63770), (1540, 51016), (1568, 50105), (1760, 44639), (1822, 43120), (1960, 40084), (2156, 36440), (2464, 31885), (2695, 29152), (3080, 25508), (3644, 21560), (3920, 20042), (4312, 18220), (4555, 17248), (5390, 14576), (6160, 12754), (6377, 12320), (7288, 10780), (7840, 10021), (8624, 9110)]