213216640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 192

約数和(自身を含む): 639772560

約数和(自身を除く): 426555920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 523, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1046, 1120, 1274, 1456, 1568, 1664, 1820, 1960, 2080, 2092, 2240, 2548, 2615, 2912, 3136, 3185, 3640, 3661, 3920, 4160, 4184, 4480, 5096, 5230, 5824, 6272, 6370, 6799, 7280, 7322, 7840, 8320, 8368, 10192, 10460, 11648, 12740, 13598, 14560, 14644, 15680, 16736, 18305, 20384, 20920, 25480, 25627, 27196, 29120, 29288, 31360, 33472, 33995, 36610, 40768, 41840, 47593, 50960, 51254, 54392, 58240, 58576, 66944, 67990, 73220, 81536, 83680, 95186, 101920, 102508, 108784, 117152, 128135, 135980, 146440, 167360, 190372, 203840, 205016, 217568, 234304, 237965, 256270, 271960, 292880, 333151, 334720, 380744, 407680, 410032, 435136, 468608, 475930, 512540, 543920, 585760, 666302, 761488, 820064, 870272, 951860, 1025080, 1087840, 1171520, 1332604, 1522976, 1640128, 1665755, 1903720, 2050160, 2175680, 2343040, 2665208, 3045952, 3280256, 3331510, 3807440, 4100320, 4351360, 5330416, 6091904, 6663020, 7614880, 8200640, 10660832, 13326040, 15229760, 16401280, 21321664, 26652080, 30459520, 42643328, 53304160, 106608320, 213216640]

約数ペア:

[(1, 213216640), (2, 106608320), (4, 53304160), (5, 42643328), (7, 30459520), (8, 26652080), (10, 21321664), (13, 16401280), (14, 15229760), (16, 13326040), (20, 10660832), (26, 8200640), (28, 7614880), (32, 6663020), (35, 6091904), (40, 5330416), (49, 4351360), (52, 4100320), (56, 3807440), (64, 3331510), (65, 3280256), (70, 3045952), (80, 2665208), (91, 2343040), (98, 2175680), (104, 2050160), (112, 1903720), (128, 1665755), (130, 1640128), (140, 1522976), (160, 1332604), (182, 1171520), (196, 1087840), (208, 1025080), (224, 951860), (245, 870272), (260, 820064), (280, 761488), (320, 666302), (364, 585760), (392, 543920), (416, 512540), (448, 475930), (455, 468608), (490, 435136), (520, 410032), (523, 407680), (560, 380744), (637, 334720), (640, 333151), (728, 292880), (784, 271960), (832, 256270), (896, 237965), (910, 234304), (980, 217568), (1040, 205016), (1046, 203840), (1120, 190372), (1274, 167360), (1456, 146440), (1568, 135980), (1664, 128135), (1820, 117152), (1960, 108784), (2080, 102508), (2092, 101920), (2240, 95186), (2548, 83680), (2615, 81536), (2912, 73220), (3136, 67990), (3185, 66944), (3640, 58576), (3661, 58240), (3920, 54392), (4160, 51254), (4184, 50960), (4480, 47593), (5096, 41840), (5230, 40768), (5824, 36610), (6272, 33995), (6370, 33472), (6799, 31360), (7280, 29288), (7322, 29120), (7840, 27196), (8320, 25627), (8368, 25480), (10192, 20920), (10460, 20384), (11648, 18305), (12740, 16736), (13598, 15680), (14560, 14644)]