108709120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 288449280

約数和(自身を除く): 179740160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 139, 160, 188, 208, 235, 256, 260, 278, 320, 376, 416, 470, 520, 556, 611, 640, 695, 752, 832, 940, 1040, 1112, 1222, 1280, 1390, 1504, 1664, 1807, 1880, 2080, 2224, 2444, 2780, 3008, 3055, 3328, 3614, 3760, 4160, 4448, 4888, 5560, 6016, 6110, 6533, 7228, 7520, 8320, 8896, 9035, 9776, 11120, 12032, 12220, 13066, 14456, 15040, 16640, 17792, 18070, 19552, 22240, 24440, 26132, 28912, 30080, 32665, 35584, 36140, 39104, 44480, 48880, 52264, 57824, 60160, 65330, 72280, 78208, 84929, 88960, 97760, 104528, 115648, 130660, 144560, 156416, 169858, 177920, 195520, 209056, 231296, 261320, 289120, 339716, 391040, 418112, 424645, 462592, 522640, 578240, 679432, 782080, 836224, 849290, 1045280, 1156480, 1358864, 1672448, 1698580, 2090560, 2312960, 2717728, 3397160, 4181120, 5435456, 6794320, 8362240, 10870912, 13588640, 21741824, 27177280, 54354560, 108709120]

約数ペア:

[(1, 108709120), (2, 54354560), (4, 27177280), (5, 21741824), (8, 13588640), (10, 10870912), (13, 8362240), (16, 6794320), (20, 5435456), (26, 4181120), (32, 3397160), (40, 2717728), (47, 2312960), (52, 2090560), (64, 1698580), (65, 1672448), (80, 1358864), (94, 1156480), (104, 1045280), (128, 849290), (130, 836224), (139, 782080), (160, 679432), (188, 578240), (208, 522640), (235, 462592), (256, 424645), (260, 418112), (278, 391040), (320, 339716), (376, 289120), (416, 261320), (470, 231296), (520, 209056), (556, 195520), (611, 177920), (640, 169858), (695, 156416), (752, 144560), (832, 130660), (940, 115648), (1040, 104528), (1112, 97760), (1222, 88960), (1280, 84929), (1390, 78208), (1504, 72280), (1664, 65330), (1807, 60160), (1880, 57824), (2080, 52264), (2224, 48880), (2444, 44480), (2780, 39104), (3008, 36140), (3055, 35584), (3328, 32665), (3614, 30080), (3760, 28912), (4160, 26132), (4448, 24440), (4888, 22240), (5560, 19552), (6016, 18070), (6110, 17792), (6533, 16640), (7228, 15040), (7520, 14456), (8320, 13066), (8896, 12220), (9035, 12032), (9776, 11120)]