399989880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{967}}^1$

素因数の和:1370

約数の個数: 128

約数和(自身を含む): 1338163200

約数和(自身を除く): 938173320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 383, 540, 766, 967, 1080, 1149, 1532, 1915, 1934, 2298, 2901, 3064, 3447, 3830, 3868, 4596, 4835, 5745, 5802, 6894, 7660, 7736, 8703, 9192, 9670, 10341, 11490, 11604, 13788, 14505, 15320, 17235, 17406, 19340, 20682, 22980, 23208, 26109, 27576, 29010, 34470, 34812, 38680, 41364, 43515, 45960, 51705, 52218, 58020, 68940, 69624, 82728, 87030, 103410, 104436, 116040, 130545, 137880, 174060, 206820, 208872, 261090, 348120, 370361, 413640, 522180, 740722, 1044360, 1111083, 1481444, 1851805, 2222166, 2962888, 3333249, 3703610, 4444332, 5555415, 6666498, 7407220, 8888664, 9999747, 11110830, 13332996, 14814440, 16666245, 19999494, 22221660, 26665992, 33332490, 39998988, 44443320, 49998735, 66664980, 79997976, 99997470, 133329960, 199994940, 399989880]

約数ペア:

[(1, 399989880), (2, 199994940), (3, 133329960), (4, 99997470), (5, 79997976), (6, 66664980), (8, 49998735), (9, 44443320), (10, 39998988), (12, 33332490), (15, 26665992), (18, 22221660), (20, 19999494), (24, 16666245), (27, 14814440), (30, 13332996), (36, 11110830), (40, 9999747), (45, 8888664), (54, 7407220), (60, 6666498), (72, 5555415), (90, 4444332), (108, 3703610), (120, 3333249), (135, 2962888), (180, 2222166), (216, 1851805), (270, 1481444), (360, 1111083), (383, 1044360), (540, 740722), (766, 522180), (967, 413640), (1080, 370361), (1149, 348120), (1532, 261090), (1915, 208872), (1934, 206820), (2298, 174060), (2901, 137880), (3064, 130545), (3447, 116040), (3830, 104436), (3868, 103410), (4596, 87030), (4835, 82728), (5745, 69624), (5802, 68940), (6894, 58020), (7660, 52218), (7736, 51705), (8703, 45960), (9192, 43515), (9670, 41364), (10341, 38680), (11490, 34812), (11604, 34470), (13788, 29010), (14505, 27576), (15320, 26109), (17235, 23208), (17406, 22980), (19340, 20682)]