81265644

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 108

約数和(自身を含む): 223272504

約数和(自身を除く): 142006860

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 73, 102, 107, 146, 153, 204, 214, 219, 289, 292, 306, 321, 428, 438, 578, 612, 642, 657, 867, 876, 963, 1156, 1241, 1284, 1314, 1734, 1819, 1926, 2482, 2601, 2628, 3468, 3638, 3723, 3852, 4964, 5202, 5457, 7276, 7446, 7811, 10404, 10914, 11169, 14892, 15622, 16371, 21097, 21828, 22338, 23433, 30923, 31244, 32742, 42194, 44676, 46866, 61846, 63291, 65484, 70299, 84388, 92769, 93732, 123692, 126582, 132787, 140598, 185538, 189873, 253164, 265574, 278307, 281196, 371076, 379746, 398361, 531148, 556614, 759492, 796722, 1113228, 1195083, 1593444, 2257379, 2390166, 4514758, 4780332, 6772137, 9029516, 13544274, 20316411, 27088548, 40632822, 81265644]

約数ペア:

[(1, 81265644), (2, 40632822), (3, 27088548), (4, 20316411), (6, 13544274), (9, 9029516), (12, 6772137), (17, 4780332), (18, 4514758), (34, 2390166), (36, 2257379), (51, 1593444), (68, 1195083), (73, 1113228), (102, 796722), (107, 759492), (146, 556614), (153, 531148), (204, 398361), (214, 379746), (219, 371076), (289, 281196), (292, 278307), (306, 265574), (321, 253164), (428, 189873), (438, 185538), (578, 140598), (612, 132787), (642, 126582), (657, 123692), (867, 93732), (876, 92769), (963, 84388), (1156, 70299), (1241, 65484), (1284, 63291), (1314, 61846), (1734, 46866), (1819, 44676), (1926, 42194), (2482, 32742), (2601, 31244), (2628, 30923), (3468, 23433), (3638, 22338), (3723, 21828), (3852, 21097), (4964, 16371), (5202, 15622), (5457, 14892), (7276, 11169), (7446, 10914), (7811, 10404)]