18781267470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{330017}}^1$

素因数の和:330305

約数の個数: 64

約数和(自身を含む): 51704580096

約数和(自身を除く): 32923312626

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 271, 542, 813, 1355, 1626, 1897, 2710, 3794, 4065, 5691, 8130, 9485, 11382, 18970, 28455, 56910, 330017, 660034, 990051, 1650085, 1980102, 2310119, 3300170, 4620238, 4950255, 6930357, 9900510, 11550595, 13860714, 23101190, 34651785, 69303570, 89434607, 178869214, 268303821, 447173035, 536607642, 626042249, 894346070, 1252084498, 1341519105, 1878126747, 2683038210, 3130211245, 3756253494, 6260422490, 9390633735, 18781267470]

約数ペア:

[(1, 18781267470), (2, 9390633735), (3, 6260422490), (5, 3756253494), (6, 3130211245), (7, 2683038210), (10, 1878126747), (14, 1341519105), (15, 1252084498), (21, 894346070), (30, 626042249), (35, 536607642), (42, 447173035), (70, 268303821), (105, 178869214), (210, 89434607), (271, 69303570), (542, 34651785), (813, 23101190), (1355, 13860714), (1626, 11550595), (1897, 9900510), (2710, 6930357), (3794, 4950255), (4065, 4620238), (5691, 3300170), (8130, 2310119), (9485, 1980102), (11382, 1650085), (18970, 990051), (28455, 660034), (56910, 330017)]