77381920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{571}}^1$

素因数の和:615

約数の個数: 144

約数和(自身を含む): 230053824

約数和(自身を除く): 152671904

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 352, 385, 440, 484, 560, 571, 605, 616, 770, 847, 880, 968, 1120, 1142, 1210, 1232, 1540, 1694, 1760, 1936, 2284, 2420, 2464, 2855, 3080, 3388, 3872, 3997, 4235, 4568, 4840, 5710, 6160, 6281, 6776, 7994, 8470, 9136, 9680, 11420, 12320, 12562, 13552, 15988, 16940, 18272, 19360, 19985, 22840, 25124, 27104, 31405, 31976, 33880, 39970, 43967, 45680, 50248, 62810, 63952, 67760, 69091, 79940, 87934, 91360, 100496, 125620, 127904, 135520, 138182, 159880, 175868, 200992, 219835, 251240, 276364, 319760, 345455, 351736, 439670, 483637, 502480, 552728, 639520, 690910, 703472, 879340, 967274, 1004960, 1105456, 1381820, 1406944, 1758680, 1934548, 2210912, 2418185, 2763640, 3517360, 3869096, 4836370, 5527280, 7034720, 7738192, 9672740, 11054560, 15476384, 19345480, 38690960, 77381920]

約数ペア:

[(1, 77381920), (2, 38690960), (4, 19345480), (5, 15476384), (7, 11054560), (8, 9672740), (10, 7738192), (11, 7034720), (14, 5527280), (16, 4836370), (20, 3869096), (22, 3517360), (28, 2763640), (32, 2418185), (35, 2210912), (40, 1934548), (44, 1758680), (55, 1406944), (56, 1381820), (70, 1105456), (77, 1004960), (80, 967274), (88, 879340), (110, 703472), (112, 690910), (121, 639520), (140, 552728), (154, 502480), (160, 483637), (176, 439670), (220, 351736), (224, 345455), (242, 319760), (280, 276364), (308, 251240), (352, 219835), (385, 200992), (440, 175868), (484, 159880), (560, 138182), (571, 135520), (605, 127904), (616, 125620), (770, 100496), (847, 91360), (880, 87934), (968, 79940), (1120, 69091), (1142, 67760), (1210, 63952), (1232, 62810), (1540, 50248), (1694, 45680), (1760, 43967), (1936, 39970), (2284, 33880), (2420, 31976), (2464, 31405), (2855, 27104), (3080, 25124), (3388, 22840), (3872, 19985), (3997, 19360), (4235, 18272), (4568, 16940), (4840, 15988), (5710, 13552), (6160, 12562), (6281, 12320), (6776, 11420), (7994, 9680), (8470, 9136)]