420633660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{304807}}^1$

素因数の和:304842

約数の個数: 48

約数和(自身を含む): 1228985856

約数和(自身を除く): 808352196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 304807, 609614, 914421, 1219228, 1524035, 1828842, 3048070, 3657684, 4572105, 6096140, 7010561, 9144210, 14021122, 18288420, 21031683, 28042244, 35052805, 42063366, 70105610, 84126732, 105158415, 140211220, 210316830, 420633660]

約数ペア:

[(1, 420633660), (2, 210316830), (3, 140211220), (4, 105158415), (5, 84126732), (6, 70105610), (10, 42063366), (12, 35052805), (15, 28042244), (20, 21031683), (23, 18288420), (30, 14021122), (46, 9144210), (60, 7010561), (69, 6096140), (92, 4572105), (115, 3657684), (138, 3048070), (230, 1828842), (276, 1524035), (345, 1219228), (460, 914421), (690, 609614), (1380, 304807)]