420210720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:696

約数の個数: 192

約数和(自身を含む): 1480913280

約数和(自身を除く): 1060702560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 211, 216, 240, 270, 288, 360, 422, 432, 461, 480, 540, 633, 720, 844, 864, 922, 1055, 1080, 1266, 1383, 1440, 1688, 1844, 1899, 2110, 2160, 2305, 2532, 2766, 3165, 3376, 3688, 3798, 4149, 4220, 4320, 4610, 5064, 5532, 5697, 6330, 6752, 6915, 7376, 7596, 8298, 8440, 9220, 9495, 10128, 11064, 11394, 12447, 12660, 13830, 14752, 15192, 16596, 16880, 18440, 18990, 20256, 20745, 22128, 22788, 24894, 25320, 27660, 28485, 30384, 33192, 33760, 36880, 37980, 41490, 44256, 45576, 49788, 50640, 55320, 56970, 60768, 62235, 66384, 73760, 75960, 82980, 91152, 97271, 99576, 101280, 110640, 113940, 124470, 132768, 151920, 165960, 182304, 194542, 199152, 221280, 227880, 248940, 291813, 303840, 331920, 389084, 398304, 455760, 486355, 497880, 583626, 663840, 778168, 875439, 911520, 972710, 995760, 1167252, 1459065, 1556336, 1750878, 1945420, 1991520, 2334504, 2626317, 2918130, 3112672, 3501756, 3890840, 4377195, 4669008, 5252634, 5836260, 7003512, 7781680, 8754390, 9338016, 10505268, 11672520, 13131585, 14007024, 15563360, 17508780, 21010536, 23345040, 26263170, 28014048, 35017560, 42021072, 46690080, 52526340, 70035120, 84042144, 105052680, 140070240, 210105360, 420210720]

約数ペア:

[(1, 420210720), (2, 210105360), (3, 140070240), (4, 105052680), (5, 84042144), (6, 70035120), (8, 52526340), (9, 46690080), (10, 42021072), (12, 35017560), (15, 28014048), (16, 26263170), (18, 23345040), (20, 21010536), (24, 17508780), (27, 15563360), (30, 14007024), (32, 13131585), (36, 11672520), (40, 10505268), (45, 9338016), (48, 8754390), (54, 7781680), (60, 7003512), (72, 5836260), (80, 5252634), (90, 4669008), (96, 4377195), (108, 3890840), (120, 3501756), (135, 3112672), (144, 2918130), (160, 2626317), (180, 2334504), (211, 1991520), (216, 1945420), (240, 1750878), (270, 1556336), (288, 1459065), (360, 1167252), (422, 995760), (432, 972710), (461, 911520), (480, 875439), (540, 778168), (633, 663840), (720, 583626), (844, 497880), (864, 486355), (922, 455760), (1055, 398304), (1080, 389084), (1266, 331920), (1383, 303840), (1440, 291813), (1688, 248940), (1844, 227880), (1899, 221280), (2110, 199152), (2160, 194542), (2305, 182304), (2532, 165960), (2766, 151920), (3165, 132768), (3376, 124470), (3688, 113940), (3798, 110640), (4149, 101280), (4220, 99576), (4320, 97271), (4610, 91152), (5064, 82980), (5532, 75960), (5697, 73760), (6330, 66384), (6752, 62235), (6915, 60768), (7376, 56970), (7596, 55320), (8298, 50640), (8440, 49788), (9220, 45576), (9495, 44256), (10128, 41490), (11064, 37980), (11394, 36880), (12447, 33760), (12660, 33192), (13830, 30384), (14752, 28485), (15192, 27660), (16596, 25320), (16880, 24894), (18440, 22788), (18990, 22128), (20256, 20745)]