81791160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 278087040

約数和(自身を除く): 196295880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 121, 129, 131, 132, 165, 172, 215, 220, 242, 258, 262, 264, 330, 344, 363, 393, 430, 440, 473, 484, 516, 524, 605, 645, 655, 660, 726, 786, 860, 946, 968, 1032, 1048, 1210, 1290, 1310, 1320, 1419, 1441, 1452, 1572, 1720, 1815, 1892, 1965, 2365, 2420, 2580, 2620, 2838, 2882, 2904, 3144, 3630, 3784, 3930, 4323, 4730, 4840, 5160, 5203, 5240, 5633, 5676, 5764, 7095, 7205, 7260, 7860, 8646, 9460, 10406, 11266, 11352, 11528, 14190, 14410, 14520, 15609, 15720, 15851, 16899, 17292, 18920, 20812, 21615, 22532, 26015, 28165, 28380, 28820, 31218, 31702, 33798, 34584, 41624, 43230, 45064, 47553, 52030, 56330, 56760, 57640, 61963, 62436, 63404, 67596, 78045, 79255, 84495, 86460, 95106, 104060, 112660, 123926, 124872, 126808, 135192, 156090, 158510, 168990, 172920, 185889, 190212, 208120, 225320, 237765, 247852, 309815, 312180, 317020, 337980, 371778, 380424, 475530, 495704, 619630, 624360, 634040, 675960, 681593, 743556, 929445, 951060, 1239260, 1363186, 1487112, 1858890, 1902120, 2044779, 2478520, 2726372, 3407965, 3717780, 4089558, 5452744, 6815930, 7435560, 8179116, 10223895, 13631860, 16358232, 20447790, 27263720, 40895580, 81791160]

約数ペア:

[(1, 81791160), (2, 40895580), (3, 27263720), (4, 20447790), (5, 16358232), (6, 13631860), (8, 10223895), (10, 8179116), (11, 7435560), (12, 6815930), (15, 5452744), (20, 4089558), (22, 3717780), (24, 3407965), (30, 2726372), (33, 2478520), (40, 2044779), (43, 1902120), (44, 1858890), (55, 1487112), (60, 1363186), (66, 1239260), (86, 951060), (88, 929445), (110, 743556), (120, 681593), (121, 675960), (129, 634040), (131, 624360), (132, 619630), (165, 495704), (172, 475530), (215, 380424), (220, 371778), (242, 337980), (258, 317020), (262, 312180), (264, 309815), (330, 247852), (344, 237765), (363, 225320), (393, 208120), (430, 190212), (440, 185889), (473, 172920), (484, 168990), (516, 158510), (524, 156090), (605, 135192), (645, 126808), (655, 124872), (660, 123926), (726, 112660), (786, 104060), (860, 95106), (946, 86460), (968, 84495), (1032, 79255), (1048, 78045), (1210, 67596), (1290, 63404), (1310, 62436), (1320, 61963), (1419, 57640), (1441, 56760), (1452, 56330), (1572, 52030), (1720, 47553), (1815, 45064), (1892, 43230), (1965, 41624), (2365, 34584), (2420, 33798), (2580, 31702), (2620, 31218), (2838, 28820), (2882, 28380), (2904, 28165), (3144, 26015), (3630, 22532), (3784, 21615), (3930, 20812), (4323, 18920), (4730, 17292), (4840, 16899), (5160, 15851), (5203, 15720), (5240, 15609), (5633, 14520), (5676, 14410), (5764, 14190), (7095, 11528), (7205, 11352), (7260, 11266), (7860, 10406), (8646, 9460)]