80771340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103553}}^1$

素因数の和:103578

約数の個数: 48

約数和(自身を含む): 243559008

約数和(自身を除く): 162787668

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, 103553, 207106, 310659, 414212, 517765, 621318, 1035530, 1242636, 1346189, 1553295, 2071060, 2692378, 3106590, 4038567, 5384756, 6213180, 6730945, 8077134, 13461890, 16154268, 20192835, 26923780, 40385670, 80771340]

約数ペア:

[(1, 80771340), (2, 40385670), (3, 26923780), (4, 20192835), (5, 16154268), (6, 13461890), (10, 8077134), (12, 6730945), (13, 6213180), (15, 5384756), (20, 4038567), (26, 3106590), (30, 2692378), (39, 2071060), (52, 1553295), (60, 1346189), (65, 1242636), (78, 1035530), (130, 621318), (156, 517765), (195, 414212), (260, 310659), (390, 207106), (780, 103553)]