208657680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1613}}^1$

素因数の和:1654

約数の個数: 240

約数和(自身を含む): 821358144

約数和(自身を除く): 612700464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 245, 264, 280, 294, 308, 330, 336, 385, 392, 420, 440, 462, 490, 528, 539, 560, 588, 616, 660, 735, 770, 784, 840, 880, 924, 980, 1078, 1155, 1176, 1232, 1320, 1470, 1540, 1613, 1617, 1680, 1848, 1960, 2156, 2310, 2352, 2640, 2695, 2940, 3080, 3226, 3234, 3696, 3920, 4312, 4620, 4839, 5390, 5880, 6160, 6452, 6468, 8065, 8085, 8624, 9240, 9678, 10780, 11291, 11760, 12904, 12936, 16130, 16170, 17743, 18480, 19356, 21560, 22582, 24195, 25808, 25872, 32260, 32340, 33873, 35486, 38712, 43120, 45164, 48390, 53229, 56455, 64520, 64680, 67746, 70972, 77424, 79037, 88715, 90328, 96780, 106458, 112910, 124201, 129040, 129360, 135492, 141944, 158074, 169365, 177430, 180656, 193560, 212916, 225820, 237111, 248402, 266145, 270984, 283888, 316148, 338730, 354860, 372603, 387120, 395185, 425832, 451640, 474222, 496804, 532290, 541968, 621005, 632296, 677460, 709720, 745206, 790370, 851664, 869407, 903280, 948444, 993608, 1064580, 1185555, 1242010, 1264592, 1354920, 1419440, 1490412, 1580740, 1738814, 1863015, 1896888, 1987216, 2129160, 2371110, 2484020, 2608221, 2709840, 2980824, 3161480, 3477628, 3726030, 3793776, 4258320, 4347035, 4742220, 4968040, 5216442, 5961648, 6322960, 6955256, 7452060, 8694070, 9484440, 9936080, 10432884, 13041105, 13910512, 14904120, 17388140, 18968880, 20865768, 26082210, 29808240, 34776280, 41731536, 52164420, 69552560, 104328840, 208657680]

約数ペア:

[(1, 208657680), (2, 104328840), (3, 69552560), (4, 52164420), (5, 41731536), (6, 34776280), (7, 29808240), (8, 26082210), (10, 20865768), (11, 18968880), (12, 17388140), (14, 14904120), (15, 13910512), (16, 13041105), (20, 10432884), (21, 9936080), (22, 9484440), (24, 8694070), (28, 7452060), (30, 6955256), (33, 6322960), (35, 5961648), (40, 5216442), (42, 4968040), (44, 4742220), (48, 4347035), (49, 4258320), (55, 3793776), (56, 3726030), (60, 3477628), (66, 3161480), (70, 2980824), (77, 2709840), (80, 2608221), (84, 2484020), (88, 2371110), (98, 2129160), (105, 1987216), (110, 1896888), (112, 1863015), (120, 1738814), (132, 1580740), (140, 1490412), (147, 1419440), (154, 1354920), (165, 1264592), (168, 1242010), (176, 1185555), (196, 1064580), (210, 993608), (220, 948444), (231, 903280), (240, 869407), (245, 851664), (264, 790370), (280, 745206), (294, 709720), (308, 677460), (330, 632296), (336, 621005), (385, 541968), (392, 532290), (420, 496804), (440, 474222), (462, 451640), (490, 425832), (528, 395185), (539, 387120), (560, 372603), (588, 354860), (616, 338730), (660, 316148), (735, 283888), (770, 270984), (784, 266145), (840, 248402), (880, 237111), (924, 225820), (980, 212916), (1078, 193560), (1155, 180656), (1176, 177430), (1232, 169365), (1320, 158074), (1470, 141944), (1540, 135492), (1613, 129360), (1617, 129040), (1680, 124201), (1848, 112910), (1960, 106458), (2156, 96780), (2310, 90328), (2352, 88715), (2640, 79037), (2695, 77424), (2940, 70972), (3080, 67746), (3226, 64680), (3234, 64520), (3696, 56455), (3920, 53229), (4312, 48390), (4620, 45164), (4839, 43120), (5390, 38712), (5880, 35486), (6160, 33873), (6452, 32340), (6468, 32260), (8065, 25872), (8085, 25808), (8624, 24195), (9240, 22582), (9678, 21560), (10780, 19356), (11291, 18480), (11760, 17743), (12904, 16170), (12936, 16130)]