256164090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{911}}^1$

素因数の和:1044

約数の個数: 128

約数和(自身を含む): 764854272

約数和(自身を除く): 508690182

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 103, 105, 130, 182, 195, 206, 210, 273, 309, 390, 455, 515, 546, 618, 721, 910, 911, 1030, 1339, 1365, 1442, 1545, 1822, 2163, 2678, 2730, 2733, 3090, 3605, 4017, 4326, 4555, 5466, 6377, 6695, 7210, 8034, 9110, 9373, 10815, 11843, 12754, 13390, 13665, 18746, 19131, 20085, 21630, 23686, 27330, 28119, 31885, 35529, 38262, 40170, 46865, 56238, 59215, 63770, 71058, 82901, 93730, 93833, 95655, 118430, 140595, 165802, 177645, 187666, 191310, 248703, 281190, 281499, 355290, 414505, 469165, 497406, 562998, 656831, 829010, 938330, 1219829, 1243515, 1313662, 1407495, 1970493, 2439658, 2487030, 2814990, 3284155, 3659487, 3940986, 6099145, 6568310, 7318974, 8538803, 9852465, 12198290, 17077606, 18297435, 19704930, 25616409, 36594870, 42694015, 51232818, 85388030, 128082045, 256164090]

約数ペア:

[(1, 256164090), (2, 128082045), (3, 85388030), (5, 51232818), (6, 42694015), (7, 36594870), (10, 25616409), (13, 19704930), (14, 18297435), (15, 17077606), (21, 12198290), (26, 9852465), (30, 8538803), (35, 7318974), (39, 6568310), (42, 6099145), (65, 3940986), (70, 3659487), (78, 3284155), (91, 2814990), (103, 2487030), (105, 2439658), (130, 1970493), (182, 1407495), (195, 1313662), (206, 1243515), (210, 1219829), (273, 938330), (309, 829010), (390, 656831), (455, 562998), (515, 497406), (546, 469165), (618, 414505), (721, 355290), (910, 281499), (911, 281190), (1030, 248703), (1339, 191310), (1365, 187666), (1442, 177645), (1545, 165802), (1822, 140595), (2163, 118430), (2678, 95655), (2730, 93833), (2733, 93730), (3090, 82901), (3605, 71058), (4017, 63770), (4326, 59215), (4555, 56238), (5466, 46865), (6377, 40170), (6695, 38262), (7210, 35529), (8034, 31885), (9110, 28119), (9373, 27330), (10815, 23686), (11843, 21630), (12754, 20085), (13390, 19131), (13665, 18746)]