85140440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 245624400

約数和(自身を除く): 160483960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 242, 245, 280, 308, 359, 385, 392, 440, 484, 490, 539, 605, 616, 718, 770, 847, 968, 980, 1078, 1210, 1436, 1540, 1694, 1795, 1960, 2156, 2420, 2513, 2695, 2872, 3080, 3388, 3590, 3949, 4235, 4312, 4840, 5026, 5390, 5929, 6776, 7180, 7898, 8470, 10052, 10780, 11858, 12565, 14360, 15796, 16940, 17591, 19745, 20104, 21560, 23716, 25130, 27643, 29645, 31592, 33880, 35182, 39490, 43439, 47432, 50260, 55286, 59290, 70364, 78980, 86878, 87955, 100520, 110572, 118580, 138215, 140728, 157960, 173756, 175910, 193501, 217195, 221144, 237160, 276430, 304073, 347512, 351820, 387002, 434390, 552860, 608146, 703640, 774004, 868780, 967505, 1105720, 1216292, 1520365, 1548008, 1737560, 1935010, 2128511, 2432584, 3040730, 3870020, 4257022, 6081460, 7740040, 8514044, 10642555, 12162920, 17028088, 21285110, 42570220, 85140440]

約数ペア:

[(1, 85140440), (2, 42570220), (4, 21285110), (5, 17028088), (7, 12162920), (8, 10642555), (10, 8514044), (11, 7740040), (14, 6081460), (20, 4257022), (22, 3870020), (28, 3040730), (35, 2432584), (40, 2128511), (44, 1935010), (49, 1737560), (55, 1548008), (56, 1520365), (70, 1216292), (77, 1105720), (88, 967505), (98, 868780), (110, 774004), (121, 703640), (140, 608146), (154, 552860), (196, 434390), (220, 387002), (242, 351820), (245, 347512), (280, 304073), (308, 276430), (359, 237160), (385, 221144), (392, 217195), (440, 193501), (484, 175910), (490, 173756), (539, 157960), (605, 140728), (616, 138215), (718, 118580), (770, 110572), (847, 100520), (968, 87955), (980, 86878), (1078, 78980), (1210, 70364), (1436, 59290), (1540, 55286), (1694, 50260), (1795, 47432), (1960, 43439), (2156, 39490), (2420, 35182), (2513, 33880), (2695, 31592), (2872, 29645), (3080, 27643), (3388, 25130), (3590, 23716), (3949, 21560), (4235, 20104), (4312, 19745), (4840, 17591), (5026, 16940), (5390, 15796), (5929, 14360), (6776, 12565), (7180, 11858), (7898, 10780), (8470, 10052)]