78881010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{787}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 204930432

約数和(自身を除く): 126049422

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 257, 390, 514, 771, 787, 1285, 1542, 1574, 2361, 2570, 3341, 3855, 3935, 4722, 6682, 7710, 7870, 10023, 10231, 11805, 16705, 20046, 20462, 23610, 30693, 33410, 50115, 51155, 61386, 100230, 102310, 153465, 202259, 306930, 404518, 606777, 1011295, 1213554, 2022590, 2629367, 3033885, 5258734, 6067770, 7888101, 13146835, 15776202, 26293670, 39440505, 78881010]

約数ペア:

[(1, 78881010), (2, 39440505), (3, 26293670), (5, 15776202), (6, 13146835), (10, 7888101), (13, 6067770), (15, 5258734), (26, 3033885), (30, 2629367), (39, 2022590), (65, 1213554), (78, 1011295), (130, 606777), (195, 404518), (257, 306930), (390, 202259), (514, 153465), (771, 102310), (787, 100230), (1285, 61386), (1542, 51155), (1574, 50115), (2361, 33410), (2570, 30693), (3341, 23610), (3855, 20462), (3935, 20046), (4722, 16705), (6682, 11805), (7710, 10231), (7870, 10023)]