78560891140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1\times {\mathrm{1213}}^1$

素因数の和:1709

約数の個数: 96

約数和(自身を含む): 168872256000

約数和(自身を除く): 90311364860

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 179, 229, 316, 358, 395, 458, 716, 790, 895, 916, 1145, 1213, 1580, 1790, 2290, 2426, 3580, 4580, 4852, 6065, 12130, 14141, 18091, 24260, 28282, 36182, 40991, 56564, 70705, 72364, 81982, 90455, 95827, 141410, 163964, 180910, 191654, 204955, 217127, 277777, 282820, 361820, 383308, 409910, 434254, 479135, 555554, 819820, 868508, 958270, 1085635, 1111108, 1388885, 1916540, 2171270, 2777770, 3238289, 4342540, 5555540, 6476578, 12953156, 16191445, 17153033, 21944383, 32382890, 34306066, 43888766, 49722083, 64765780, 68612132, 85765165, 87777532, 99444166, 109721915, 171530330, 198888332, 219443830, 248610415, 343060660, 438887660, 497220830, 994441660, 3928044557, 7856089114, 15712178228, 19640222785, 39280445570, 78560891140]

約数ペア:

[(1, 78560891140), (2, 39280445570), (4, 19640222785), (5, 15712178228), (10, 7856089114), (20, 3928044557), (79, 994441660), (158, 497220830), (179, 438887660), (229, 343060660), (316, 248610415), (358, 219443830), (395, 198888332), (458, 171530330), (716, 109721915), (790, 99444166), (895, 87777532), (916, 85765165), (1145, 68612132), (1213, 64765780), (1580, 49722083), (1790, 43888766), (2290, 34306066), (2426, 32382890), (3580, 21944383), (4580, 17153033), (4852, 16191445), (6065, 12953156), (12130, 6476578), (14141, 5555540), (18091, 4342540), (24260, 3238289), (28282, 2777770), (36182, 2171270), (40991, 1916540), (56564, 1388885), (70705, 1111108), (72364, 1085635), (81982, 958270), (90455, 868508), (95827, 819820), (141410, 555554), (163964, 479135), (180910, 434254), (191654, 409910), (204955, 383308), (217127, 361820), (277777, 282820)]