660881916

素因数分解:

$2^2\times 3^4\times {\mathrm{71}}^1\times {\mathrm{28729}}^1$

素因数の和:28816

約数の個数: 60

約数和(自身を含む): 1752070320

約数和(自身を除く): 1091188404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 284, 324, 426, 639, 852, 1278, 1917, 2556, 3834, 5751, 7668, 11502, 23004, 28729, 57458, 86187, 114916, 172374, 258561, 344748, 517122, 775683, 1034244, 1551366, 2039759, 2327049, 3102732, 4079518, 4654098, 6119277, 8159036, 9308196, 12238554, 18357831, 24477108, 36715662, 55073493, 73431324, 110146986, 165220479, 220293972, 330440958, 660881916]

約数ペア:

[(1, 660881916), (2, 330440958), (3, 220293972), (4, 165220479), (6, 110146986), (9, 73431324), (12, 55073493), (18, 36715662), (27, 24477108), (36, 18357831), (54, 12238554), (71, 9308196), (81, 8159036), (108, 6119277), (142, 4654098), (162, 4079518), (213, 3102732), (284, 2327049), (324, 2039759), (426, 1551366), (639, 1034244), (852, 775683), (1278, 517122), (1917, 344748), (2556, 258561), (3834, 172374), (5751, 114916), (7668, 86187), (11502, 57458), (23004, 28729)]