123774920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 285768000

約数和(自身を除く): 161993080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 179, 236, 293, 295, 358, 472, 586, 590, 716, 895, 1172, 1180, 1432, 1465, 1790, 2344, 2360, 2930, 3580, 5860, 7160, 10561, 11720, 17287, 21122, 34574, 42244, 52447, 52805, 69148, 84488, 86435, 104894, 105610, 138296, 172870, 209788, 211220, 262235, 345740, 419576, 422440, 524470, 691480, 1048940, 2097880, 3094373, 6188746, 12377492, 15471865, 24754984, 30943730, 61887460, 123774920]

約数ペア:

[(1, 123774920), (2, 61887460), (4, 30943730), (5, 24754984), (8, 15471865), (10, 12377492), (20, 6188746), (40, 3094373), (59, 2097880), (118, 1048940), (179, 691480), (236, 524470), (293, 422440), (295, 419576), (358, 345740), (472, 262235), (586, 211220), (590, 209788), (716, 172870), (895, 138296), (1172, 105610), (1180, 104894), (1432, 86435), (1465, 84488), (1790, 69148), (2344, 52805), (2360, 52447), (2930, 42244), (3580, 34574), (5860, 21122), (7160, 17287), (10561, 11720)]