81069930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4229}}^1$

素因数の和:4316

約数の個数: 64

約数和(自身を含む): 219283200

約数和(自身を除く): 138213270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1278, 1917, 2130, 3195, 3834, 4229, 6390, 8458, 9585, 12687, 19170, 21145, 25374, 38061, 42290, 63435, 76122, 114183, 126870, 190305, 228366, 300259, 380610, 570915, 600518, 900777, 1141830, 1501295, 1801554, 2702331, 3002590, 4503885, 5404662, 8106993, 9007770, 13511655, 16213986, 27023310, 40534965, 81069930]

約数ペア:

[(1, 81069930), (2, 40534965), (3, 27023310), (5, 16213986), (6, 13511655), (9, 9007770), (10, 8106993), (15, 5404662), (18, 4503885), (27, 3002590), (30, 2702331), (45, 1801554), (54, 1501295), (71, 1141830), (90, 900777), (135, 600518), (142, 570915), (213, 380610), (270, 300259), (355, 228366), (426, 190305), (639, 126870), (710, 114183), (1065, 76122), (1278, 63435), (1917, 42290), (2130, 38061), (3195, 25374), (3834, 21145), (4229, 19170), (6390, 12687), (8458, 9585)]