68138040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 218972160

約数和(自身を除く): 150834120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 127, 136, 170, 204, 254, 255, 263, 340, 381, 408, 508, 510, 526, 635, 680, 762, 789, 1016, 1020, 1052, 1270, 1315, 1524, 1578, 1905, 2040, 2104, 2159, 2540, 2630, 3048, 3156, 3810, 3945, 4318, 4471, 5080, 5260, 6312, 6477, 7620, 7890, 8636, 8942, 10520, 10795, 12954, 13413, 15240, 15780, 17272, 17884, 21590, 22355, 25908, 26826, 31560, 32385, 33401, 35768, 43180, 44710, 51816, 53652, 64770, 66802, 67065, 86360, 89420, 100203, 107304, 129540, 133604, 134130, 167005, 178840, 200406, 259080, 267208, 268260, 334010, 400812, 501015, 536520, 567817, 668020, 801624, 1002030, 1135634, 1336040, 1703451, 2004060, 2271268, 2839085, 3406902, 4008120, 4542536, 5678170, 6813804, 8517255, 11356340, 13627608, 17034510, 22712680, 34069020, 68138040]

約数ペア:

[(1, 68138040), (2, 34069020), (3, 22712680), (4, 17034510), (5, 13627608), (6, 11356340), (8, 8517255), (10, 6813804), (12, 5678170), (15, 4542536), (17, 4008120), (20, 3406902), (24, 2839085), (30, 2271268), (34, 2004060), (40, 1703451), (51, 1336040), (60, 1135634), (68, 1002030), (85, 801624), (102, 668020), (120, 567817), (127, 536520), (136, 501015), (170, 400812), (204, 334010), (254, 268260), (255, 267208), (263, 259080), (340, 200406), (381, 178840), (408, 167005), (508, 134130), (510, 133604), (526, 129540), (635, 107304), (680, 100203), (762, 89420), (789, 86360), (1016, 67065), (1020, 66802), (1052, 64770), (1270, 53652), (1315, 51816), (1524, 44710), (1578, 43180), (1905, 35768), (2040, 33401), (2104, 32385), (2159, 31560), (2540, 26826), (2630, 25908), (3048, 22355), (3156, 21590), (3810, 17884), (3945, 17272), (4318, 15780), (4471, 15240), (5080, 13413), (5260, 12954), (6312, 10795), (6477, 10520), (7620, 8942), (7890, 8636)]