12300680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 19632760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 223, 280, 394, 446, 788, 892, 985, 1115, 1379, 1561, 1576, 1784, 1970, 2230, 2758, 3122, 3940, 4460, 5516, 6244, 6895, 7805, 7880, 8920, 11032, 12488, 13790, 15610, 27580, 31220, 43931, 55160, 62440, 87862, 175724, 219655, 307517, 351448, 439310, 615034, 878620, 1230068, 1537585, 1757240, 2460136, 3075170, 6150340, 12300680]

約数ペア:

[(1, 12300680), (2, 6150340), (4, 3075170), (5, 2460136), (7, 1757240), (8, 1537585), (10, 1230068), (14, 878620), (20, 615034), (28, 439310), (35, 351448), (40, 307517), (56, 219655), (70, 175724), (140, 87862), (197, 62440), (223, 55160), (280, 43931), (394, 31220), (446, 27580), (788, 15610), (892, 13790), (985, 12488), (1115, 11032), (1379, 8920), (1561, 7880), (1576, 7805), (1784, 6895), (1970, 6244), (2230, 5516), (2758, 4460), (3122, 3940)]