215922080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:643

約数の個数: 144

約数和(自身を含む): 591222240

約数和(自身を除く): 375300160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 160, 176, 190, 209, 220, 242, 304, 352, 380, 418, 440, 484, 587, 605, 608, 760, 836, 880, 968, 1045, 1174, 1210, 1520, 1672, 1760, 1936, 2090, 2299, 2348, 2420, 2935, 3040, 3344, 3872, 4180, 4598, 4696, 4840, 5870, 6457, 6688, 8360, 9196, 9392, 9680, 11153, 11495, 11740, 12914, 16720, 18392, 18784, 19360, 22306, 22990, 23480, 25828, 32285, 33440, 36784, 44612, 45980, 46960, 51656, 55765, 64570, 71027, 73568, 89224, 91960, 93920, 103312, 111530, 122683, 129140, 142054, 178448, 183920, 206624, 223060, 245366, 258280, 284108, 355135, 356896, 367840, 446120, 490732, 516560, 568216, 613415, 710270, 892240, 981464, 1033120, 1136432, 1226830, 1349513, 1420540, 1784480, 1962928, 2272864, 2453660, 2699026, 2841080, 3925856, 4907320, 5398052, 5682160, 6747565, 9814640, 10796104, 11364320, 13495130, 19629280, 21592208, 26990260, 43184416, 53980520, 107961040, 215922080]

約数ペア:

[(1, 215922080), (2, 107961040), (4, 53980520), (5, 43184416), (8, 26990260), (10, 21592208), (11, 19629280), (16, 13495130), (19, 11364320), (20, 10796104), (22, 9814640), (32, 6747565), (38, 5682160), (40, 5398052), (44, 4907320), (55, 3925856), (76, 2841080), (80, 2699026), (88, 2453660), (95, 2272864), (110, 1962928), (121, 1784480), (152, 1420540), (160, 1349513), (176, 1226830), (190, 1136432), (209, 1033120), (220, 981464), (242, 892240), (304, 710270), (352, 613415), (380, 568216), (418, 516560), (440, 490732), (484, 446120), (587, 367840), (605, 356896), (608, 355135), (760, 284108), (836, 258280), (880, 245366), (968, 223060), (1045, 206624), (1174, 183920), (1210, 178448), (1520, 142054), (1672, 129140), (1760, 122683), (1936, 111530), (2090, 103312), (2299, 93920), (2348, 91960), (2420, 89224), (2935, 73568), (3040, 71027), (3344, 64570), (3872, 55765), (4180, 51656), (4598, 46960), (4696, 45980), (4840, 44612), (5870, 36784), (6457, 33440), (6688, 32285), (8360, 25828), (9196, 23480), (9392, 22990), (9680, 22306), (11153, 19360), (11495, 18784), (11740, 18392), (12914, 16720)]