13687760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 34176384

約数和(自身を除く): 20488624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 173, 184, 215, 230, 344, 346, 368, 430, 460, 688, 692, 860, 865, 920, 989, 1384, 1720, 1730, 1840, 1978, 2768, 3440, 3460, 3956, 3979, 4945, 6920, 7439, 7912, 7958, 9890, 13840, 14878, 15824, 15916, 19780, 19895, 29756, 31832, 37195, 39560, 39790, 59512, 63664, 74390, 79120, 79580, 119024, 148780, 159160, 171097, 297560, 318320, 342194, 595120, 684388, 855485, 1368776, 1710970, 2737552, 3421940, 6843880, 13687760]

約数ペア:

[(1, 13687760), (2, 6843880), (4, 3421940), (5, 2737552), (8, 1710970), (10, 1368776), (16, 855485), (20, 684388), (23, 595120), (40, 342194), (43, 318320), (46, 297560), (80, 171097), (86, 159160), (92, 148780), (115, 119024), (172, 79580), (173, 79120), (184, 74390), (215, 63664), (230, 59512), (344, 39790), (346, 39560), (368, 37195), (430, 31832), (460, 29756), (688, 19895), (692, 19780), (860, 15916), (865, 15824), (920, 14878), (989, 13840), (1384, 9890), (1720, 7958), (1730, 7912), (1840, 7439), (1978, 6920), (2768, 4945), (3440, 3979), (3460, 3956)]