181805680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2487

約数の個数: 120

約数和(自身を含む): 517801680

約数和(自身を除く): 335996000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2441, 2660, 3724, 3920, 4655, 4882, 5320, 7448, 9310, 9764, 10640, 12205, 14896, 17087, 18620, 19528, 24410, 34174, 37240, 39056, 46379, 48820, 68348, 74480, 85435, 92758, 97640, 119609, 136696, 170870, 185516, 195280, 231895, 239218, 273392, 324653, 341740, 371032, 463790, 478436, 598045, 649306, 683480, 742064, 927580, 956872, 1196090, 1298612, 1366960, 1623265, 1855160, 1913744, 2272571, 2392180, 2597224, 3246530, 3710320, 4545142, 4784360, 5194448, 6493060, 9090284, 9568720, 11362855, 12986120, 18180568, 22725710, 25972240, 36361136, 45451420, 90902840, 181805680]

約数ペア:

[(1, 181805680), (2, 90902840), (4, 45451420), (5, 36361136), (7, 25972240), (8, 22725710), (10, 18180568), (14, 12986120), (16, 11362855), (19, 9568720), (20, 9090284), (28, 6493060), (35, 5194448), (38, 4784360), (40, 4545142), (49, 3710320), (56, 3246530), (70, 2597224), (76, 2392180), (80, 2272571), (95, 1913744), (98, 1855160), (112, 1623265), (133, 1366960), (140, 1298612), (152, 1196090), (190, 956872), (196, 927580), (245, 742064), (266, 683480), (280, 649306), (304, 598045), (380, 478436), (392, 463790), (490, 371032), (532, 341740), (560, 324653), (665, 273392), (760, 239218), (784, 231895), (931, 195280), (980, 185516), (1064, 170870), (1330, 136696), (1520, 119609), (1862, 97640), (1960, 92758), (2128, 85435), (2441, 74480), (2660, 68348), (3724, 48820), (3920, 46379), (4655, 39056), (4882, 37240), (5320, 34174), (7448, 24410), (9310, 19528), (9764, 18620), (10640, 17087), (12205, 14896)]