163942240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1901}}^1$

素因数の和:1941

約数の個数: 144

約数和(自身を含む): 491765904

約数和(自身を除く): 327823664

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1901, 1960, 2156, 2464, 2695, 3080, 3802, 3920, 4312, 5390, 6160, 7604, 7840, 8624, 9505, 10780, 12320, 13307, 15208, 17248, 19010, 20911, 21560, 26614, 30416, 38020, 41822, 43120, 53228, 60832, 66535, 76040, 83644, 86240, 93149, 104555, 106456, 133070, 146377, 152080, 167288, 186298, 209110, 212912, 266140, 292754, 304160, 334576, 372596, 418220, 425824, 465745, 532280, 585508, 669152, 731885, 745192, 836440, 931490, 1024639, 1064560, 1171016, 1463770, 1490384, 1672880, 1862980, 2049278, 2129120, 2342032, 2927540, 2980768, 3345760, 3725960, 4098556, 4684064, 5123195, 5855080, 7451920, 8197112, 10246390, 11710160, 14903840, 16394224, 20492780, 23420320, 32788448, 40985560, 81971120, 163942240]

約数ペア:

[(1, 163942240), (2, 81971120), (4, 40985560), (5, 32788448), (7, 23420320), (8, 20492780), (10, 16394224), (11, 14903840), (14, 11710160), (16, 10246390), (20, 8197112), (22, 7451920), (28, 5855080), (32, 5123195), (35, 4684064), (40, 4098556), (44, 3725960), (49, 3345760), (55, 2980768), (56, 2927540), (70, 2342032), (77, 2129120), (80, 2049278), (88, 1862980), (98, 1672880), (110, 1490384), (112, 1463770), (140, 1171016), (154, 1064560), (160, 1024639), (176, 931490), (196, 836440), (220, 745192), (224, 731885), (245, 669152), (280, 585508), (308, 532280), (352, 465745), (385, 425824), (392, 418220), (440, 372596), (490, 334576), (539, 304160), (560, 292754), (616, 266140), (770, 212912), (784, 209110), (880, 186298), (980, 167288), (1078, 152080), (1120, 146377), (1232, 133070), (1540, 106456), (1568, 104555), (1760, 93149), (1901, 86240), (1960, 83644), (2156, 76040), (2464, 66535), (2695, 60832), (3080, 53228), (3802, 43120), (3920, 41822), (4312, 38020), (5390, 30416), (6160, 26614), (7604, 21560), (7840, 20911), (8624, 19010), (9505, 17248), (10780, 15208), (12320, 13307)]