320970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 830592

約数和(自身を除く): 509622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 823, 1646, 2469, 4115, 4938, 8230, 10699, 12345, 21398, 24690, 32097, 53495, 64194, 106990, 160485, 320970]

約数ペア:

[(1, 320970), (2, 160485), (3, 106990), (5, 64194), (6, 53495), (10, 32097), (13, 24690), (15, 21398), (26, 12345), (30, 10699), (39, 8230), (65, 4938), (78, 4115), (130, 2469), (195, 1646), (390, 823)]