78213540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{4639}}^1$

素因数の和:4932

約数の個数: 48

約数和(自身を含む): 219824640

約数和(自身を除く): 141611100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1686, 2810, 3372, 4215, 4639, 5620, 8430, 9278, 13917, 16860, 18556, 23195, 27834, 46390, 55668, 69585, 92780, 139170, 278340, 1303559, 2607118, 3910677, 5214236, 6517795, 7821354, 13035590, 15642708, 19553385, 26071180, 39106770, 78213540]

約数ペア:

[(1, 78213540), (2, 39106770), (3, 26071180), (4, 19553385), (5, 15642708), (6, 13035590), (10, 7821354), (12, 6517795), (15, 5214236), (20, 3910677), (30, 2607118), (60, 1303559), (281, 278340), (562, 139170), (843, 92780), (1124, 69585), (1405, 55668), (1686, 46390), (2810, 27834), (3372, 23195), (4215, 18556), (4639, 16860), (5620, 13917), (8430, 9278)]