12340880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 31605120

約数和(自身を除く): 19264240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 353, 368, 380, 437, 460, 706, 760, 874, 920, 1412, 1520, 1748, 1765, 1840, 2185, 2824, 3496, 3530, 4370, 5648, 6707, 6992, 7060, 8119, 8740, 13414, 14120, 16238, 17480, 26828, 28240, 32476, 33535, 34960, 40595, 53656, 64952, 67070, 81190, 107312, 129904, 134140, 154261, 162380, 268280, 308522, 324760, 536560, 617044, 649520, 771305, 1234088, 1542610, 2468176, 3085220, 6170440, 12340880]

約数ペア:

[(1, 12340880), (2, 6170440), (4, 3085220), (5, 2468176), (8, 1542610), (10, 1234088), (16, 771305), (19, 649520), (20, 617044), (23, 536560), (38, 324760), (40, 308522), (46, 268280), (76, 162380), (80, 154261), (92, 134140), (95, 129904), (115, 107312), (152, 81190), (184, 67070), (190, 64952), (230, 53656), (304, 40595), (353, 34960), (368, 33535), (380, 32476), (437, 28240), (460, 26828), (706, 17480), (760, 16238), (874, 14120), (920, 13414), (1412, 8740), (1520, 8119), (1748, 7060), (1765, 6992), (1840, 6707), (2185, 5648), (2824, 4370), (3496, 3530)]