19655040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 128

約数和(自身を含む): 64994400

約数和(自身を除く): 45339360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 192, 232, 240, 290, 320, 348, 353, 384, 435, 464, 480, 580, 640, 696, 706, 870, 928, 960, 1059, 1160, 1392, 1412, 1740, 1765, 1856, 1920, 2118, 2320, 2784, 2824, 3480, 3530, 3712, 4236, 4640, 5295, 5568, 5648, 6960, 7060, 8472, 9280, 10237, 10590, 11136, 11296, 13920, 14120, 16944, 18560, 20474, 21180, 22592, 27840, 28240, 30711, 33888, 40948, 42360, 45184, 51185, 55680, 56480, 61422, 67776, 81896, 84720, 102370, 112960, 122844, 135552, 153555, 163792, 169440, 204740, 225920, 245688, 307110, 327584, 338880, 409480, 491376, 614220, 655168, 677760, 818960, 982752, 1228440, 1310336, 1637920, 1965504, 2456880, 3275840, 3931008, 4913760, 6551680, 9827520, 19655040]

約数ペア:

[(1, 19655040), (2, 9827520), (3, 6551680), (4, 4913760), (5, 3931008), (6, 3275840), (8, 2456880), (10, 1965504), (12, 1637920), (15, 1310336), (16, 1228440), (20, 982752), (24, 818960), (29, 677760), (30, 655168), (32, 614220), (40, 491376), (48, 409480), (58, 338880), (60, 327584), (64, 307110), (80, 245688), (87, 225920), (96, 204740), (116, 169440), (120, 163792), (128, 153555), (145, 135552), (160, 122844), (174, 112960), (192, 102370), (232, 84720), (240, 81896), (290, 67776), (320, 61422), (348, 56480), (353, 55680), (384, 51185), (435, 45184), (464, 42360), (480, 40948), (580, 33888), (640, 30711), (696, 28240), (706, 27840), (870, 22592), (928, 21180), (960, 20474), (1059, 18560), (1160, 16944), (1392, 14120), (1412, 13920), (1740, 11296), (1765, 11136), (1856, 10590), (1920, 10237), (2118, 9280), (2320, 8472), (2784, 7060), (2824, 6960), (3480, 5648), (3530, 5568), (3712, 5295), (4236, 4640)]