163953280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 419832000

約数和(自身を除く): 255878720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 97, 128, 139, 152, 160, 190, 194, 278, 304, 320, 380, 388, 485, 556, 608, 640, 695, 760, 776, 970, 1112, 1216, 1390, 1520, 1552, 1843, 1940, 2224, 2432, 2641, 2780, 3040, 3104, 3686, 3880, 4448, 5282, 5560, 6080, 6208, 7372, 7760, 8896, 9215, 10564, 11120, 12160, 12416, 13205, 13483, 14744, 15520, 17792, 18430, 21128, 22240, 26410, 26966, 29488, 31040, 36860, 42256, 44480, 52820, 53932, 58976, 62080, 67415, 73720, 84512, 88960, 105640, 107864, 117952, 134830, 147440, 169024, 211280, 215728, 235904, 256177, 269660, 294880, 338048, 422560, 431456, 512354, 539320, 589760, 845120, 862912, 1024708, 1078640, 1179520, 1280885, 1690240, 1725824, 2049416, 2157280, 2561770, 4098832, 4314560, 5123540, 8197664, 8629120, 10247080, 16395328, 20494160, 32790656, 40988320, 81976640, 163953280]

約数ペア:

[(1, 163953280), (2, 81976640), (4, 40988320), (5, 32790656), (8, 20494160), (10, 16395328), (16, 10247080), (19, 8629120), (20, 8197664), (32, 5123540), (38, 4314560), (40, 4098832), (64, 2561770), (76, 2157280), (80, 2049416), (95, 1725824), (97, 1690240), (128, 1280885), (139, 1179520), (152, 1078640), (160, 1024708), (190, 862912), (194, 845120), (278, 589760), (304, 539320), (320, 512354), (380, 431456), (388, 422560), (485, 338048), (556, 294880), (608, 269660), (640, 256177), (695, 235904), (760, 215728), (776, 211280), (970, 169024), (1112, 147440), (1216, 134830), (1390, 117952), (1520, 107864), (1552, 105640), (1843, 88960), (1940, 84512), (2224, 73720), (2432, 67415), (2641, 62080), (2780, 58976), (3040, 53932), (3104, 52820), (3686, 44480), (3880, 42256), (4448, 36860), (5282, 31040), (5560, 29488), (6080, 26966), (6208, 26410), (7372, 22240), (7760, 21128), (8896, 18430), (9215, 17792), (10564, 15520), (11120, 14744), (12160, 13483), (12416, 13205)]