557655280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:424

約数の個数: 240

約数和(自身を含む): 1681392384

約数和(自身を除く): 1123737104

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 80, 91, 98, 104, 112, 124, 130, 140, 155, 182, 196, 208, 217, 245, 248, 260, 280, 310, 353, 364, 392, 403, 434, 455, 490, 496, 520, 560, 620, 637, 706, 728, 784, 806, 868, 910, 980, 1040, 1085, 1240, 1274, 1412, 1456, 1519, 1612, 1736, 1765, 1820, 1960, 2015, 2170, 2471, 2480, 2548, 2821, 2824, 3038, 3185, 3224, 3472, 3530, 3640, 3920, 4030, 4340, 4589, 4942, 5096, 5642, 5648, 6076, 6370, 6448, 7060, 7280, 7595, 8060, 8680, 9178, 9884, 10192, 10943, 11284, 12152, 12355, 12740, 14105, 14120, 15190, 16120, 17297, 17360, 18356, 19747, 19768, 21886, 22568, 22945, 24304, 24710, 25480, 28210, 28240, 30380, 32123, 32240, 34594, 36712, 39494, 39536, 43772, 45136, 45890, 49420, 50960, 54715, 56420, 60760, 64246, 69188, 73424, 76601, 78988, 86485, 87544, 91780, 98735, 98840, 109430, 112840, 121520, 128492, 138376, 142259, 153202, 157976, 160615, 172970, 175088, 183560, 197470, 197680, 218860, 224861, 225680, 256984, 276752, 284518, 306404, 315952, 321230, 345940, 367120, 383005, 394940, 437720, 449722, 513968, 536207, 569036, 612808, 642460, 691880, 711295, 766010, 789880, 875440, 899444, 995813, 1072414, 1124305, 1138072, 1225616, 1284920, 1383760, 1422590, 1532020, 1579760, 1798888, 1991626, 2144828, 2248610, 2276144, 2569840, 2681035, 2845180, 3064040, 3597776, 3983252, 4289656, 4497220, 4979065, 5362070, 5690360, 6128080, 6970691, 7966504, 8579312, 8994440, 9958130, 10724140, 11380720, 13941382, 15933008, 17988880, 19916260, 21448280, 27882764, 34853455, 39832520, 42896560, 55765528, 69706910, 79665040, 111531056, 139413820, 278827640, 557655280]

約数ペア:

[(1, 557655280), (2, 278827640), (4, 139413820), (5, 111531056), (7, 79665040), (8, 69706910), (10, 55765528), (13, 42896560), (14, 39832520), (16, 34853455), (20, 27882764), (26, 21448280), (28, 19916260), (31, 17988880), (35, 15933008), (40, 13941382), (49, 11380720), (52, 10724140), (56, 9958130), (62, 8994440), (65, 8579312), (70, 7966504), (80, 6970691), (91, 6128080), (98, 5690360), (104, 5362070), (112, 4979065), (124, 4497220), (130, 4289656), (140, 3983252), (155, 3597776), (182, 3064040), (196, 2845180), (208, 2681035), (217, 2569840), (245, 2276144), (248, 2248610), (260, 2144828), (280, 1991626), (310, 1798888), (353, 1579760), (364, 1532020), (392, 1422590), (403, 1383760), (434, 1284920), (455, 1225616), (490, 1138072), (496, 1124305), (520, 1072414), (560, 995813), (620, 899444), (637, 875440), (706, 789880), (728, 766010), (784, 711295), (806, 691880), (868, 642460), (910, 612808), (980, 569036), (1040, 536207), (1085, 513968), (1240, 449722), (1274, 437720), (1412, 394940), (1456, 383005), (1519, 367120), (1612, 345940), (1736, 321230), (1765, 315952), (1820, 306404), (1960, 284518), (2015, 276752), (2170, 256984), (2471, 225680), (2480, 224861), (2548, 218860), (2821, 197680), (2824, 197470), (3038, 183560), (3185, 175088), (3224, 172970), (3472, 160615), (3530, 157976), (3640, 153202), (3920, 142259), (4030, 138376), (4340, 128492), (4589, 121520), (4942, 112840), (5096, 109430), (5642, 98840), (5648, 98735), (6076, 91780), (6370, 87544), (6448, 86485), (7060, 78988), (7280, 76601), (7595, 73424), (8060, 69188), (8680, 64246), (9178, 60760), (9884, 56420), (10192, 54715), (10943, 50960), (11284, 49420), (12152, 45890), (12355, 45136), (12740, 43772), (14105, 39536), (14120, 39494), (15190, 36712), (16120, 34594), (17297, 32240), (17360, 32123), (18356, 30380), (19747, 28240), (19768, 28210), (21886, 25480), (22568, 24710), (22945, 24304)]