1299741520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{821}}^1$

素因数の和:1109

約数の個数: 160

約数和(自身を含む): 3786829056

約数和(自身を除く): 2487087536

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 257, 280, 308, 385, 440, 514, 560, 616, 770, 821, 880, 1028, 1232, 1285, 1540, 1642, 1799, 2056, 2570, 2827, 3080, 3284, 3598, 4105, 4112, 5140, 5654, 5747, 6160, 6568, 7196, 8210, 8995, 9031, 10280, 11308, 11494, 13136, 14135, 14392, 16420, 17990, 18062, 19789, 20560, 22616, 22988, 28270, 28735, 28784, 32840, 35980, 36124, 39578, 45155, 45232, 45976, 56540, 57470, 63217, 65680, 71960, 72248, 79156, 90310, 91952, 98945, 113080, 114940, 126434, 143920, 144496, 158312, 180620, 197890, 210997, 226160, 229880, 252868, 316085, 316624, 361240, 395780, 421994, 459760, 505736, 632170, 722480, 791560, 843988, 1011472, 1054985, 1264340, 1476979, 1583120, 1687976, 2109970, 2320967, 2528680, 2953958, 3375952, 4219940, 4641934, 5057360, 5907916, 7384895, 8439880, 9283868, 11604835, 11815832, 14769790, 16246769, 16879760, 18567736, 23209670, 23631664, 29539580, 32493538, 37135472, 46419340, 59079160, 64987076, 81233845, 92838680, 118158320, 129974152, 162467690, 185677360, 259948304, 324935380, 649870760, 1299741520]

約数ペア:

[(1, 1299741520), (2, 649870760), (4, 324935380), (5, 259948304), (7, 185677360), (8, 162467690), (10, 129974152), (11, 118158320), (14, 92838680), (16, 81233845), (20, 64987076), (22, 59079160), (28, 46419340), (35, 37135472), (40, 32493538), (44, 29539580), (55, 23631664), (56, 23209670), (70, 18567736), (77, 16879760), (80, 16246769), (88, 14769790), (110, 11815832), (112, 11604835), (140, 9283868), (154, 8439880), (176, 7384895), (220, 5907916), (257, 5057360), (280, 4641934), (308, 4219940), (385, 3375952), (440, 2953958), (514, 2528680), (560, 2320967), (616, 2109970), (770, 1687976), (821, 1583120), (880, 1476979), (1028, 1264340), (1232, 1054985), (1285, 1011472), (1540, 843988), (1642, 791560), (1799, 722480), (2056, 632170), (2570, 505736), (2827, 459760), (3080, 421994), (3284, 395780), (3598, 361240), (4105, 316624), (4112, 316085), (5140, 252868), (5654, 229880), (5747, 226160), (6160, 210997), (6568, 197890), (7196, 180620), (8210, 158312), (8995, 144496), (9031, 143920), (10280, 126434), (11308, 114940), (11494, 113080), (13136, 98945), (14135, 91952), (14392, 90310), (16420, 79156), (17990, 72248), (18062, 71960), (19789, 65680), (20560, 63217), (22616, 57470), (22988, 56540), (28270, 45976), (28735, 45232), (28784, 45155), (32840, 39578), (35980, 36124)]