2044380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 6166944

約数和(自身を除く): 4122564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2621, 5242, 7863, 10484, 13105, 15726, 26210, 31452, 34073, 39315, 52420, 68146, 78630, 102219, 136292, 157260, 170365, 204438, 340730, 408876, 511095, 681460, 1022190, 2044380]

約数ペア:

[(1, 2044380), (2, 1022190), (3, 681460), (4, 511095), (5, 408876), (6, 340730), (10, 204438), (12, 170365), (13, 157260), (15, 136292), (20, 102219), (26, 78630), (30, 68146), (39, 52420), (52, 39315), (60, 34073), (65, 31452), (78, 26210), (130, 15726), (156, 13105), (195, 10484), (260, 7863), (390, 5242), (780, 2621)]