26881020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 87639552

約数和(自身を除く): 60758532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 115, 129, 138, 151, 172, 180, 207, 215, 230, 258, 276, 302, 345, 387, 414, 430, 453, 460, 516, 604, 645, 690, 755, 774, 828, 860, 906, 989, 1035, 1290, 1359, 1380, 1510, 1548, 1812, 1935, 1978, 2070, 2265, 2580, 2718, 2967, 3020, 3473, 3870, 3956, 4140, 4530, 4945, 5436, 5934, 6493, 6795, 6946, 7740, 8901, 9060, 9890, 10419, 11868, 12986, 13590, 13892, 14835, 17365, 17802, 19479, 19780, 20838, 25972, 27180, 29670, 31257, 32465, 34730, 35604, 38958, 41676, 44505, 52095, 58437, 59340, 62514, 64930, 69460, 77916, 89010, 97395, 104190, 116874, 125028, 129860, 149339, 156285, 178020, 194790, 208380, 233748, 292185, 298678, 312570, 389580, 448017, 584370, 597356, 625140, 746695, 896034, 1168740, 1344051, 1493390, 1792068, 2240085, 2688102, 2986780, 4480170, 5376204, 6720255, 8960340, 13440510, 26881020]

約数ペア:

[(1, 26881020), (2, 13440510), (3, 8960340), (4, 6720255), (5, 5376204), (6, 4480170), (9, 2986780), (10, 2688102), (12, 2240085), (15, 1792068), (18, 1493390), (20, 1344051), (23, 1168740), (30, 896034), (36, 746695), (43, 625140), (45, 597356), (46, 584370), (60, 448017), (69, 389580), (86, 312570), (90, 298678), (92, 292185), (115, 233748), (129, 208380), (138, 194790), (151, 178020), (172, 156285), (180, 149339), (207, 129860), (215, 125028), (230, 116874), (258, 104190), (276, 97395), (302, 89010), (345, 77916), (387, 69460), (414, 64930), (430, 62514), (453, 59340), (460, 58437), (516, 52095), (604, 44505), (645, 41676), (690, 38958), (755, 35604), (774, 34730), (828, 32465), (860, 31257), (906, 29670), (989, 27180), (1035, 25972), (1290, 20838), (1359, 19780), (1380, 19479), (1510, 17802), (1548, 17365), (1812, 14835), (1935, 13892), (1978, 13590), (2070, 12986), (2265, 11868), (2580, 10419), (2718, 9890), (2967, 9060), (3020, 8901), (3473, 7740), (3870, 6946), (3956, 6795), (4140, 6493), (4530, 5934), (4945, 5436)]