68390520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 225815040

約数和(自身を除く): 157424520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 197, 220, 263, 264, 330, 394, 440, 526, 591, 660, 788, 789, 985, 1052, 1182, 1315, 1320, 1576, 1578, 1970, 2104, 2167, 2364, 2630, 2893, 2955, 3156, 3940, 3945, 4334, 4728, 5260, 5786, 5910, 6312, 6501, 7880, 7890, 8668, 8679, 10520, 10835, 11572, 11820, 13002, 14465, 15780, 17336, 17358, 21670, 23144, 23640, 26004, 28930, 31560, 32505, 34716, 43340, 43395, 51811, 52008, 57860, 65010, 69432, 86680, 86790, 103622, 115720, 130020, 155433, 173580, 207244, 259055, 260040, 310866, 347160, 414488, 518110, 569921, 621732, 777165, 1036220, 1139842, 1243464, 1554330, 1709763, 2072440, 2279684, 2849605, 3108660, 3419526, 4559368, 5699210, 6217320, 6839052, 8548815, 11398420, 13678104, 17097630, 22796840, 34195260, 68390520]

約数ペア:

[(1, 68390520), (2, 34195260), (3, 22796840), (4, 17097630), (5, 13678104), (6, 11398420), (8, 8548815), (10, 6839052), (11, 6217320), (12, 5699210), (15, 4559368), (20, 3419526), (22, 3108660), (24, 2849605), (30, 2279684), (33, 2072440), (40, 1709763), (44, 1554330), (55, 1243464), (60, 1139842), (66, 1036220), (88, 777165), (110, 621732), (120, 569921), (132, 518110), (165, 414488), (197, 347160), (220, 310866), (263, 260040), (264, 259055), (330, 207244), (394, 173580), (440, 155433), (526, 130020), (591, 115720), (660, 103622), (788, 86790), (789, 86680), (985, 69432), (1052, 65010), (1182, 57860), (1315, 52008), (1320, 51811), (1576, 43395), (1578, 43340), (1970, 34716), (2104, 32505), (2167, 31560), (2364, 28930), (2630, 26004), (2893, 23640), (2955, 23144), (3156, 21670), (3940, 17358), (3945, 17336), (4334, 15780), (4728, 14465), (5260, 13002), (5786, 11820), (5910, 11572), (6312, 10835), (6501, 10520), (7880, 8679), (7890, 8668)]