81003090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 235560960

約数和(自身を除く): 154557870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 47, 58, 70, 87, 94, 105, 141, 145, 174, 203, 210, 235, 282, 283, 290, 329, 406, 435, 470, 566, 609, 658, 705, 849, 870, 987, 1015, 1218, 1363, 1410, 1415, 1645, 1698, 1974, 1981, 2030, 2726, 2830, 3045, 3290, 3962, 4089, 4245, 4935, 5943, 6090, 6815, 8178, 8207, 8490, 9541, 9870, 9905, 11886, 13301, 13630, 16414, 19082, 19810, 20445, 24621, 26602, 28623, 29715, 39903, 40890, 41035, 47705, 49242, 57246, 57449, 59430, 66505, 79806, 82070, 93107, 95410, 114898, 123105, 133010, 143115, 172347, 186214, 199515, 246210, 279321, 286230, 287245, 344694, 385729, 399030, 465535, 558642, 574490, 771458, 861735, 931070, 1157187, 1396605, 1723470, 1928645, 2314374, 2700103, 2793210, 3857290, 5400206, 5785935, 8100309, 11571870, 13500515, 16200618, 27001030, 40501545, 81003090]

約数ペア:

[(1, 81003090), (2, 40501545), (3, 27001030), (5, 16200618), (6, 13500515), (7, 11571870), (10, 8100309), (14, 5785935), (15, 5400206), (21, 3857290), (29, 2793210), (30, 2700103), (35, 2314374), (42, 1928645), (47, 1723470), (58, 1396605), (70, 1157187), (87, 931070), (94, 861735), (105, 771458), (141, 574490), (145, 558642), (174, 465535), (203, 399030), (210, 385729), (235, 344694), (282, 287245), (283, 286230), (290, 279321), (329, 246210), (406, 199515), (435, 186214), (470, 172347), (566, 143115), (609, 133010), (658, 123105), (705, 114898), (849, 95410), (870, 93107), (987, 82070), (1015, 79806), (1218, 66505), (1363, 59430), (1410, 57449), (1415, 57246), (1645, 49242), (1698, 47705), (1974, 41035), (1981, 40890), (2030, 39903), (2726, 29715), (2830, 28623), (3045, 26602), (3290, 24621), (3962, 20445), (4089, 19810), (4245, 19082), (4935, 16414), (5943, 13630), (6090, 13301), (6815, 11886), (8178, 9905), (8207, 9870), (8490, 9541)]