68154520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 192844800

約数和(自身を除く): 124690280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 557, 644, 665, 760, 805, 874, 920, 1064, 1114, 1288, 1330, 1610, 1748, 2185, 2228, 2660, 2785, 3059, 3220, 3496, 3899, 4370, 4456, 5320, 5570, 6118, 6440, 7798, 8740, 10583, 11140, 12236, 12811, 15295, 15596, 17480, 19495, 21166, 22280, 24472, 25622, 30590, 31192, 38990, 42332, 51244, 52915, 61180, 64055, 74081, 77980, 84664, 89677, 102488, 105830, 122360, 128110, 148162, 155960, 179354, 211660, 243409, 256220, 296324, 358708, 370405, 423320, 448385, 486818, 512440, 592648, 717416, 740810, 896770, 973636, 1217045, 1481620, 1703863, 1793540, 1947272, 2434090, 2963240, 3407726, 3587080, 4868180, 6815452, 8519315, 9736360, 13630904, 17038630, 34077260, 68154520]

約数ペア:

[(1, 68154520), (2, 34077260), (4, 17038630), (5, 13630904), (7, 9736360), (8, 8519315), (10, 6815452), (14, 4868180), (19, 3587080), (20, 3407726), (23, 2963240), (28, 2434090), (35, 1947272), (38, 1793540), (40, 1703863), (46, 1481620), (56, 1217045), (70, 973636), (76, 896770), (92, 740810), (95, 717416), (115, 592648), (133, 512440), (140, 486818), (152, 448385), (161, 423320), (184, 370405), (190, 358708), (230, 296324), (266, 256220), (280, 243409), (322, 211660), (380, 179354), (437, 155960), (460, 148162), (532, 128110), (557, 122360), (644, 105830), (665, 102488), (760, 89677), (805, 84664), (874, 77980), (920, 74081), (1064, 64055), (1114, 61180), (1288, 52915), (1330, 51244), (1610, 42332), (1748, 38990), (2185, 31192), (2228, 30590), (2660, 25622), (2785, 24472), (3059, 22280), (3220, 21166), (3496, 19495), (3899, 17480), (4370, 15596), (4456, 15295), (5320, 12811), (5570, 12236), (6118, 11140), (6440, 10583), (7798, 8740)]