128364840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 192

約数和(自身を含む): 448156800

約数和(自身を除く): 319791960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 60, 69, 72, 74, 90, 92, 111, 115, 120, 138, 148, 180, 184, 185, 207, 222, 230, 276, 296, 333, 345, 360, 370, 414, 419, 444, 460, 552, 555, 666, 690, 740, 828, 838, 851, 888, 920, 1035, 1110, 1257, 1332, 1380, 1480, 1656, 1665, 1676, 1702, 2070, 2095, 2220, 2514, 2553, 2664, 2760, 3330, 3352, 3404, 3771, 4140, 4190, 4255, 4440, 5028, 5106, 6285, 6660, 6808, 7542, 7659, 8280, 8380, 8510, 9637, 10056, 10212, 12570, 12765, 13320, 15084, 15318, 15503, 16760, 17020, 18855, 19274, 20424, 25140, 25530, 28911, 30168, 30636, 31006, 34040, 37710, 38295, 38548, 46509, 48185, 50280, 51060, 57822, 61272, 62012, 75420, 76590, 77096, 77515, 86733, 93018, 96370, 102120, 115644, 124024, 139527, 144555, 150840, 153180, 155030, 173466, 186036, 192740, 231288, 232545, 279054, 289110, 306360, 310060, 346932, 356569, 372072, 385480, 433665, 465090, 558108, 578220, 620120, 693864, 697635, 713138, 867330, 930180, 1069707, 1116216, 1156440, 1395270, 1426276, 1734660, 1782845, 1860360, 2139414, 2790540, 2852552, 3209121, 3469320, 3565690, 4278828, 5348535, 5581080, 6418242, 7131380, 8557656, 10697070, 12836484, 14262760, 16045605, 21394140, 25672968, 32091210, 42788280, 64182420, 128364840]

約数ペア:

[(1, 128364840), (2, 64182420), (3, 42788280), (4, 32091210), (5, 25672968), (6, 21394140), (8, 16045605), (9, 14262760), (10, 12836484), (12, 10697070), (15, 8557656), (18, 7131380), (20, 6418242), (23, 5581080), (24, 5348535), (30, 4278828), (36, 3565690), (37, 3469320), (40, 3209121), (45, 2852552), (46, 2790540), (60, 2139414), (69, 1860360), (72, 1782845), (74, 1734660), (90, 1426276), (92, 1395270), (111, 1156440), (115, 1116216), (120, 1069707), (138, 930180), (148, 867330), (180, 713138), (184, 697635), (185, 693864), (207, 620120), (222, 578220), (230, 558108), (276, 465090), (296, 433665), (333, 385480), (345, 372072), (360, 356569), (370, 346932), (414, 310060), (419, 306360), (444, 289110), (460, 279054), (552, 232545), (555, 231288), (666, 192740), (690, 186036), (740, 173466), (828, 155030), (838, 153180), (851, 150840), (888, 144555), (920, 139527), (1035, 124024), (1110, 115644), (1257, 102120), (1332, 96370), (1380, 93018), (1480, 86733), (1656, 77515), (1665, 77096), (1676, 76590), (1702, 75420), (2070, 62012), (2095, 61272), (2220, 57822), (2514, 51060), (2553, 50280), (2664, 48185), (2760, 46509), (3330, 38548), (3352, 38295), (3404, 37710), (3771, 34040), (4140, 31006), (4190, 30636), (4255, 30168), (4440, 28911), (5028, 25530), (5106, 25140), (6285, 20424), (6660, 19274), (6808, 18855), (7542, 17020), (7659, 16760), (8280, 15503), (8380, 15318), (8510, 15084), (9637, 13320), (10056, 12765), (10212, 12570)]