81341040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2801}}^1$

素因数の和:2839

約数の個数: 120

約数和(自身を含む): 277263504

約数和(自身を除く): 195922464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 1210, 1320, 1452, 1815, 1936, 2420, 2640, 2801, 2904, 3630, 4840, 5602, 5808, 7260, 8403, 9680, 11204, 14005, 14520, 16806, 22408, 28010, 29040, 30811, 33612, 42015, 44816, 56020, 61622, 67224, 84030, 92433, 112040, 123244, 134448, 154055, 168060, 184866, 224080, 246488, 308110, 336120, 338921, 369732, 462165, 492976, 616220, 672240, 677842, 739464, 924330, 1016763, 1232440, 1355684, 1478928, 1694605, 1848660, 2033526, 2464880, 2711368, 3389210, 3697320, 4067052, 5083815, 5422736, 6778420, 7394640, 8134104, 10167630, 13556840, 16268208, 20335260, 27113680, 40670520, 81341040]

約数ペア:

[(1, 81341040), (2, 40670520), (3, 27113680), (4, 20335260), (5, 16268208), (6, 13556840), (8, 10167630), (10, 8134104), (11, 7394640), (12, 6778420), (15, 5422736), (16, 5083815), (20, 4067052), (22, 3697320), (24, 3389210), (30, 2711368), (33, 2464880), (40, 2033526), (44, 1848660), (48, 1694605), (55, 1478928), (60, 1355684), (66, 1232440), (80, 1016763), (88, 924330), (110, 739464), (120, 677842), (121, 672240), (132, 616220), (165, 492976), (176, 462165), (220, 369732), (240, 338921), (242, 336120), (264, 308110), (330, 246488), (363, 224080), (440, 184866), (484, 168060), (528, 154055), (605, 134448), (660, 123244), (726, 112040), (880, 92433), (968, 84030), (1210, 67224), (1320, 61622), (1452, 56020), (1815, 44816), (1936, 42015), (2420, 33612), (2640, 30811), (2801, 29040), (2904, 28010), (3630, 22408), (4840, 16806), (5602, 14520), (5808, 14005), (7260, 11204), (8403, 9680)]