30521940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1657}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 85791552

約数和(自身を除く): 55269612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1228, 1535, 1657, 1842, 3070, 3314, 3684, 4605, 4971, 6140, 6628, 8285, 9210, 9942, 16570, 18420, 19884, 24855, 33140, 49710, 99420, 508699, 1017398, 1526097, 2034796, 2543495, 3052194, 5086990, 6104388, 7630485, 10173980, 15260970, 30521940]

約数ペア:

[(1, 30521940), (2, 15260970), (3, 10173980), (4, 7630485), (5, 6104388), (6, 5086990), (10, 3052194), (12, 2543495), (15, 2034796), (20, 1526097), (30, 1017398), (60, 508699), (307, 99420), (614, 49710), (921, 33140), (1228, 24855), (1535, 19884), (1657, 18420), (1842, 16570), (3070, 9942), (3314, 9210), (3684, 8285), (4605, 6628), (4971, 6140)]