2760420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3539}}^1$

素因数の和:3564

約数の個数: 48

約数和(自身を含む): 8326080

約数和(自身を除く): 5565660

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, 3539, 7078, 10617, 14156, 17695, 21234, 35390, 42468, 46007, 53085, 70780, 92014, 106170, 138021, 184028, 212340, 230035, 276042, 460070, 552084, 690105, 920140, 1380210, 2760420]

約数ペア:

[(1, 2760420), (2, 1380210), (3, 920140), (4, 690105), (5, 552084), (6, 460070), (10, 276042), (12, 230035), (13, 212340), (15, 184028), (20, 138021), (26, 106170), (30, 92014), (39, 70780), (52, 53085), (60, 46007), (65, 42468), (78, 35390), (130, 21234), (156, 17695), (195, 14156), (260, 10617), (390, 7078), (780, 3539)]