240621920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19531}}^1$

素因数の和:19564

約数の個数: 96

約数和(自身を含む): 708777216

約数和(自身を除く): 468155296

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, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 19531, 39062, 78124, 97655, 136717, 156248, 195310, 214841, 273434, 312496, 390620, 429682, 546868, 624992, 683585, 781240, 859364, 1074205, 1093736, 1367170, 1503887, 1562480, 1718728, 2148410, 2187472, 2734340, 3007774, 3124960, 3437456, 4296820, 4374944, 5468680, 6015548, 6874912, 7519435, 8593640, 10937360, 12031096, 15038870, 17187280, 21874720, 24062192, 30077740, 34374560, 48124384, 60155480, 120310960, 240621920]

約数ペア:

[(1, 240621920), (2, 120310960), (4, 60155480), (5, 48124384), (7, 34374560), (8, 30077740), (10, 24062192), (11, 21874720), (14, 17187280), (16, 15038870), (20, 12031096), (22, 10937360), (28, 8593640), (32, 7519435), (35, 6874912), (40, 6015548), (44, 5468680), (55, 4374944), (56, 4296820), (70, 3437456), (77, 3124960), (80, 3007774), (88, 2734340), (110, 2187472), (112, 2148410), (140, 1718728), (154, 1562480), (160, 1503887), (176, 1367170), (220, 1093736), (224, 1074205), (280, 859364), (308, 781240), (352, 683585), (385, 624992), (440, 546868), (560, 429682), (616, 390620), (770, 312496), (880, 273434), (1120, 214841), (1232, 195310), (1540, 156248), (1760, 136717), (2464, 97655), (3080, 78124), (6160, 39062), (12320, 19531)]