68979820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 180182016

約数和(自身を除く): 111202196

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 151, 182, 251, 260, 302, 364, 455, 502, 604, 755, 910, 1004, 1057, 1255, 1510, 1757, 1820, 1963, 2114, 2510, 3020, 3263, 3514, 3926, 4228, 5020, 5285, 6526, 7028, 7852, 8785, 9815, 10570, 13052, 13741, 16315, 17570, 19630, 21140, 22841, 27482, 32630, 35140, 37901, 39260, 45682, 54964, 65260, 68705, 75802, 91364, 114205, 137410, 151604, 189505, 228410, 265307, 274820, 379010, 456820, 492713, 530614, 758020, 985426, 1061228, 1326535, 1970852, 2463565, 2653070, 3448991, 4927130, 5306140, 6897982, 9854260, 13795964, 17244955, 34489910, 68979820]

約数ペア:

[(1, 68979820), (2, 34489910), (4, 17244955), (5, 13795964), (7, 9854260), (10, 6897982), (13, 5306140), (14, 4927130), (20, 3448991), (26, 2653070), (28, 2463565), (35, 1970852), (52, 1326535), (65, 1061228), (70, 985426), (91, 758020), (130, 530614), (140, 492713), (151, 456820), (182, 379010), (251, 274820), (260, 265307), (302, 228410), (364, 189505), (455, 151604), (502, 137410), (604, 114205), (755, 91364), (910, 75802), (1004, 68705), (1057, 65260), (1255, 54964), (1510, 45682), (1757, 39260), (1820, 37901), (1963, 35140), (2114, 32630), (2510, 27482), (3020, 22841), (3263, 21140), (3514, 19630), (3926, 17570), (4228, 16315), (5020, 13741), (5285, 13052), (6526, 10570), (7028, 9815), (7852, 8785)]