156790381990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3659}}^1\times {\mathrm{16937}}^1$

素因数の和:20637

約数の個数: 64

約数和(自身を含む): 321372126720

約数和(自身を除く): 164581744730

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 3659, 7318, 16937, 18295, 33874, 36590, 40249, 80498, 84157, 84685, 168314, 169370, 186307, 201245, 372614, 389551, 402490, 420785, 779102, 841570, 925727, 931535, 1851454, 1863070, 1947755, 3895510, 4285061, 4628635, 8570122, 9257270, 21425305, 42850610, 61972483, 123944966, 309862415, 619724830, 681697313, 1363394626, 1425367109, 2850734218, 3408486565, 6816973130, 7126835545, 14253671090, 15679038199, 31358076398, 78395190995, 156790381990]

約数ペア:

[(1, 156790381990), (2, 78395190995), (5, 31358076398), (10, 15679038199), (11, 14253671090), (22, 7126835545), (23, 6816973130), (46, 3408486565), (55, 2850734218), (110, 1425367109), (115, 1363394626), (230, 681697313), (253, 619724830), (506, 309862415), (1265, 123944966), (2530, 61972483), (3659, 42850610), (7318, 21425305), (16937, 9257270), (18295, 8570122), (33874, 4628635), (36590, 4285061), (40249, 3895510), (80498, 1947755), (84157, 1863070), (84685, 1851454), (168314, 931535), (169370, 925727), (186307, 841570), (201245, 779102), (372614, 420785), (389551, 402490)]