720653584

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:621

約数の個数: 120

約数和(自身を含む): 1730246400

約数和(自身を除く): 1009592816

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 101, 112, 133, 152, 196, 202, 266, 304, 392, 404, 479, 532, 707, 784, 808, 931, 958, 1064, 1414, 1616, 1862, 1916, 1919, 2128, 2828, 3353, 3724, 3832, 3838, 4949, 5656, 6706, 7448, 7664, 7676, 9101, 9898, 11312, 13412, 13433, 14896, 15352, 18202, 19796, 23471, 26824, 26866, 30704, 36404, 39592, 46942, 48379, 53648, 53732, 63707, 72808, 79184, 93884, 94031, 96758, 107464, 127414, 145616, 187768, 188062, 193516, 214928, 254828, 338653, 375536, 376124, 387032, 445949, 509656, 677306, 752248, 774064, 891898, 919201, 1019312, 1354612, 1504496, 1783796, 1838402, 2370571, 2709224, 3567592, 3676804, 4741142, 5418448, 6434407, 7135184, 7353608, 9482284, 12868814, 14707216, 18964568, 25737628, 37929136, 45040849, 51475256, 90081698, 102950512, 180163396, 360326792, 720653584]

約数ペア:

[(1, 720653584), (2, 360326792), (4, 180163396), (7, 102950512), (8, 90081698), (14, 51475256), (16, 45040849), (19, 37929136), (28, 25737628), (38, 18964568), (49, 14707216), (56, 12868814), (76, 9482284), (98, 7353608), (101, 7135184), (112, 6434407), (133, 5418448), (152, 4741142), (196, 3676804), (202, 3567592), (266, 2709224), (304, 2370571), (392, 1838402), (404, 1783796), (479, 1504496), (532, 1354612), (707, 1019312), (784, 919201), (808, 891898), (931, 774064), (958, 752248), (1064, 677306), (1414, 509656), (1616, 445949), (1862, 387032), (1916, 376124), (1919, 375536), (2128, 338653), (2828, 254828), (3353, 214928), (3724, 193516), (3832, 188062), (3838, 187768), (4949, 145616), (5656, 127414), (6706, 107464), (7448, 96758), (7664, 94031), (7676, 93884), (9101, 79184), (9898, 72808), (11312, 63707), (13412, 53732), (13433, 53648), (14896, 48379), (15352, 46942), (18202, 39592), (19796, 36404), (23471, 30704), (26824, 26866)]