68571855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 142871040

約数和(自身を除く): 74299185

約数列:

[1, 3, 5, 9, 11, 15, 19, 23, 33, 45, 55, 57, 69, 95, 99, 115, 165, 171, 207, 209, 253, 285, 317, 345, 437, 495, 627, 759, 855, 951, 1035, 1045, 1265, 1311, 1585, 1881, 2185, 2277, 2853, 3135, 3487, 3795, 3933, 4755, 4807, 6023, 6555, 7291, 9405, 10461, 11385, 14265, 14421, 17435, 18069, 19665, 21873, 24035, 30115, 31383, 36455, 43263, 52305, 54207, 65619, 66253, 72105, 80201, 90345, 109365, 138529, 156915, 198759, 216315, 240603, 271035, 328095, 331265, 401005, 415587, 596277, 692645, 721809, 993795, 1203015, 1246761, 1523819, 2077935, 2981385, 3609045, 4571457, 6233805, 7619095, 13714371, 22857285, 68571855]

約数ペア:

[(1, 68571855), (3, 22857285), (5, 13714371), (9, 7619095), (11, 6233805), (15, 4571457), (19, 3609045), (23, 2981385), (33, 2077935), (45, 1523819), (55, 1246761), (57, 1203015), (69, 993795), (95, 721809), (99, 692645), (115, 596277), (165, 415587), (171, 401005), (207, 331265), (209, 328095), (253, 271035), (285, 240603), (317, 216315), (345, 198759), (437, 156915), (495, 138529), (627, 109365), (759, 90345), (855, 80201), (951, 72105), (1035, 66253), (1045, 65619), (1265, 54207), (1311, 52305), (1585, 43263), (1881, 36455), (2185, 31383), (2277, 30115), (2853, 24035), (3135, 21873), (3487, 19665), (3795, 18069), (3933, 17435), (4755, 14421), (4807, 14265), (6023, 11385), (6555, 10461), (7291, 9405)]