309907520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 224

約数和(自身を含む): 860267520

約数和(自身を除く): 550360000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 41, 46, 52, 64, 65, 79, 80, 82, 92, 104, 115, 130, 158, 160, 164, 184, 205, 208, 230, 260, 299, 316, 320, 328, 368, 395, 410, 416, 460, 520, 533, 598, 632, 656, 736, 790, 820, 832, 920, 943, 1027, 1040, 1066, 1196, 1264, 1312, 1472, 1495, 1580, 1640, 1817, 1840, 1886, 2054, 2080, 2132, 2392, 2528, 2624, 2665, 2990, 3160, 3239, 3280, 3634, 3680, 3772, 4108, 4160, 4264, 4715, 4784, 5056, 5135, 5330, 5980, 6320, 6478, 6560, 7268, 7360, 7544, 8216, 8528, 9085, 9430, 9568, 10270, 10660, 11960, 12259, 12640, 12956, 13120, 14536, 15088, 16195, 16432, 17056, 18170, 18860, 19136, 20540, 21320, 23621, 23920, 24518, 25280, 25912, 29072, 30176, 32390, 32864, 34112, 36340, 37720, 41080, 42107, 42640, 47242, 47840, 49036, 51824, 58144, 60352, 61295, 64780, 65728, 72680, 74497, 75440, 82160, 84214, 85280, 94484, 95680, 98072, 103648, 116288, 118105, 122590, 129560, 145360, 148994, 150880, 164320, 168428, 170560, 188968, 196144, 207296, 210535, 236210, 245180, 259120, 290720, 297988, 301760, 328640, 336856, 372485, 377936, 392288, 421070, 472420, 490360, 518240, 581440, 595976, 673712, 744970, 755872, 784576, 842140, 944840, 968461, 980720, 1036480, 1191952, 1347424, 1489940, 1511744, 1684280, 1889680, 1936922, 1961440, 2383904, 2694848, 2979880, 3368560, 3779360, 3873844, 3922880, 4767808, 4842305, 5959760, 6737120, 7558720, 7747688, 9684610, 11919520, 13474240, 15495376, 19369220, 23839040, 30990752, 38738440, 61981504, 77476880, 154953760, 309907520]

約数ペア:

[(1, 309907520), (2, 154953760), (4, 77476880), (5, 61981504), (8, 38738440), (10, 30990752), (13, 23839040), (16, 19369220), (20, 15495376), (23, 13474240), (26, 11919520), (32, 9684610), (40, 7747688), (41, 7558720), (46, 6737120), (52, 5959760), (64, 4842305), (65, 4767808), (79, 3922880), (80, 3873844), (82, 3779360), (92, 3368560), (104, 2979880), (115, 2694848), (130, 2383904), (158, 1961440), (160, 1936922), (164, 1889680), (184, 1684280), (205, 1511744), (208, 1489940), (230, 1347424), (260, 1191952), (299, 1036480), (316, 980720), (320, 968461), (328, 944840), (368, 842140), (395, 784576), (410, 755872), (416, 744970), (460, 673712), (520, 595976), (533, 581440), (598, 518240), (632, 490360), (656, 472420), (736, 421070), (790, 392288), (820, 377936), (832, 372485), (920, 336856), (943, 328640), (1027, 301760), (1040, 297988), (1066, 290720), (1196, 259120), (1264, 245180), (1312, 236210), (1472, 210535), (1495, 207296), (1580, 196144), (1640, 188968), (1817, 170560), (1840, 168428), (1886, 164320), (2054, 150880), (2080, 148994), (2132, 145360), (2392, 129560), (2528, 122590), (2624, 118105), (2665, 116288), (2990, 103648), (3160, 98072), (3239, 95680), (3280, 94484), (3634, 85280), (3680, 84214), (3772, 82160), (4108, 75440), (4160, 74497), (4264, 72680), (4715, 65728), (4784, 64780), (5056, 61295), (5135, 60352), (5330, 58144), (5980, 51824), (6320, 49036), (6478, 47840), (6560, 47242), (7268, 42640), (7360, 42107), (7544, 41080), (8216, 37720), (8528, 36340), (9085, 34112), (9430, 32864), (9568, 32390), (10270, 30176), (10660, 29072), (11960, 25912), (12259, 25280), (12640, 24518), (12956, 23920), (13120, 23621), (14536, 21320), (15088, 20540), (16195, 19136), (16432, 18860), (17056, 18170)]