215396720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:583

約数の個数: 160

約数和(自身を含む): 634245120

約数和(自身を除く): 418848400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 80, 88, 110, 112, 140, 146, 154, 176, 220, 280, 292, 308, 365, 385, 440, 479, 511, 560, 584, 616, 730, 770, 803, 880, 958, 1022, 1168, 1232, 1460, 1540, 1606, 1916, 2044, 2395, 2555, 2920, 3080, 3212, 3353, 3832, 4015, 4088, 4790, 5110, 5269, 5621, 5840, 6160, 6424, 6706, 7664, 8030, 8176, 9580, 10220, 10538, 11242, 12848, 13412, 16060, 16765, 19160, 20440, 21076, 22484, 26345, 26824, 28105, 32120, 33530, 34967, 36883, 38320, 40880, 42152, 44968, 52690, 53648, 56210, 64240, 67060, 69934, 73766, 84304, 89936, 105380, 112420, 134120, 139868, 147532, 174835, 184415, 210760, 224840, 244769, 268240, 279736, 295064, 349670, 368830, 384637, 421520, 449680, 489538, 559472, 590128, 699340, 737660, 769274, 979076, 1223845, 1398680, 1475320, 1538548, 1923185, 1958152, 2447690, 2692459, 2797360, 2950640, 3077096, 3846370, 3916304, 4895380, 5384918, 6154192, 7692740, 9790760, 10769836, 13462295, 15385480, 19581520, 21539672, 26924590, 30770960, 43079344, 53849180, 107698360, 215396720]

約数ペア:

[(1, 215396720), (2, 107698360), (4, 53849180), (5, 43079344), (7, 30770960), (8, 26924590), (10, 21539672), (11, 19581520), (14, 15385480), (16, 13462295), (20, 10769836), (22, 9790760), (28, 7692740), (35, 6154192), (40, 5384918), (44, 4895380), (55, 3916304), (56, 3846370), (70, 3077096), (73, 2950640), (77, 2797360), (80, 2692459), (88, 2447690), (110, 1958152), (112, 1923185), (140, 1538548), (146, 1475320), (154, 1398680), (176, 1223845), (220, 979076), (280, 769274), (292, 737660), (308, 699340), (365, 590128), (385, 559472), (440, 489538), (479, 449680), (511, 421520), (560, 384637), (584, 368830), (616, 349670), (730, 295064), (770, 279736), (803, 268240), (880, 244769), (958, 224840), (1022, 210760), (1168, 184415), (1232, 174835), (1460, 147532), (1540, 139868), (1606, 134120), (1916, 112420), (2044, 105380), (2395, 89936), (2555, 84304), (2920, 73766), (3080, 69934), (3212, 67060), (3353, 64240), (3832, 56210), (4015, 53648), (4088, 52690), (4790, 44968), (5110, 42152), (5269, 40880), (5621, 38320), (5840, 36883), (6160, 34967), (6424, 33530), (6706, 32120), (7664, 28105), (8030, 26824), (8176, 26345), (9580, 22484), (10220, 21076), (10538, 20440), (11242, 19160), (12848, 16765), (13412, 16060)]