128150640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:852

約数の個数: 160

約数和(自身を含む): 447590400

約数和(自身を除く): 319439760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 79, 80, 90, 108, 120, 135, 144, 158, 180, 216, 237, 240, 270, 316, 360, 395, 432, 474, 540, 632, 711, 720, 751, 790, 948, 1080, 1185, 1264, 1422, 1502, 1580, 1896, 2133, 2160, 2253, 2370, 2844, 3004, 3160, 3555, 3755, 3792, 4266, 4506, 4740, 5688, 6008, 6320, 6759, 7110, 7510, 8532, 9012, 9480, 10665, 11265, 11376, 12016, 13518, 14220, 15020, 17064, 18024, 18960, 20277, 21330, 22530, 27036, 28440, 30040, 33795, 34128, 36048, 40554, 42660, 45060, 54072, 56880, 59329, 60080, 67590, 81108, 85320, 90120, 101385, 108144, 118658, 135180, 162216, 170640, 177987, 180240, 202770, 237316, 270360, 296645, 324432, 355974, 405540, 474632, 533961, 540720, 593290, 711948, 811080, 889935, 949264, 1067922, 1186580, 1423896, 1601883, 1622160, 1779870, 2135844, 2373160, 2669805, 2847792, 3203766, 3559740, 4271688, 4746320, 5339610, 6407532, 7119480, 8009415, 8543376, 10679220, 12815064, 14238960, 16018830, 21358440, 25630128, 32037660, 42716880, 64075320, 128150640]

約数ペア:

[(1, 128150640), (2, 64075320), (3, 42716880), (4, 32037660), (5, 25630128), (6, 21358440), (8, 16018830), (9, 14238960), (10, 12815064), (12, 10679220), (15, 8543376), (16, 8009415), (18, 7119480), (20, 6407532), (24, 5339610), (27, 4746320), (30, 4271688), (36, 3559740), (40, 3203766), (45, 2847792), (48, 2669805), (54, 2373160), (60, 2135844), (72, 1779870), (79, 1622160), (80, 1601883), (90, 1423896), (108, 1186580), (120, 1067922), (135, 949264), (144, 889935), (158, 811080), (180, 711948), (216, 593290), (237, 540720), (240, 533961), (270, 474632), (316, 405540), (360, 355974), (395, 324432), (432, 296645), (474, 270360), (540, 237316), (632, 202770), (711, 180240), (720, 177987), (751, 170640), (790, 162216), (948, 135180), (1080, 118658), (1185, 108144), (1264, 101385), (1422, 90120), (1502, 85320), (1580, 81108), (1896, 67590), (2133, 60080), (2160, 59329), (2253, 56880), (2370, 54072), (2844, 45060), (3004, 42660), (3160, 40554), (3555, 36048), (3755, 34128), (3792, 33795), (4266, 30040), (4506, 28440), (4740, 27036), (5688, 22530), (6008, 21330), (6320, 20277), (6759, 18960), (7110, 18024), (7510, 17064), (8532, 15020), (9012, 14220), (9480, 13518), (10665, 12016), (11265, 11376)]