31516140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1657}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 88576992

約数和(自身を除く): 57060852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1268, 1585, 1657, 1902, 3170, 3314, 3804, 4755, 4971, 6340, 6628, 8285, 9510, 9942, 16570, 19020, 19884, 24855, 33140, 49710, 99420, 525269, 1050538, 1575807, 2101076, 2626345, 3151614, 5252690, 6303228, 7879035, 10505380, 15758070, 31516140]

約数ペア:

[(1, 31516140), (2, 15758070), (3, 10505380), (4, 7879035), (5, 6303228), (6, 5252690), (10, 3151614), (12, 2626345), (15, 2101076), (20, 1575807), (30, 1050538), (60, 525269), (317, 99420), (634, 49710), (951, 33140), (1268, 24855), (1585, 19884), (1657, 19020), (1902, 16570), (3170, 9942), (3314, 9510), (3804, 8285), (4755, 6628), (4971, 6340)]