1272133070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2557}}^1$

素因数の和:2709

約数の個数: 64

約数和(自身を含む): 2552679360

約数和(自身を除く): 1280546290

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 89, 130, 178, 215, 430, 445, 559, 890, 1118, 1157, 2314, 2557, 2795, 3827, 5114, 5590, 5785, 7654, 11570, 12785, 19135, 25570, 33241, 38270, 49751, 66482, 99502, 109951, 166205, 219902, 227573, 248755, 332410, 455146, 497510, 549755, 1099510, 1137865, 1429363, 2275730, 2858726, 2958449, 5916898, 7146815, 9785639, 14293630, 14792245, 19571278, 29584490, 48928195, 97856390, 127213307, 254426614, 636066535, 1272133070]

約数ペア:

[(1, 1272133070), (2, 636066535), (5, 254426614), (10, 127213307), (13, 97856390), (26, 48928195), (43, 29584490), (65, 19571278), (86, 14792245), (89, 14293630), (130, 9785639), (178, 7146815), (215, 5916898), (430, 2958449), (445, 2858726), (559, 2275730), (890, 1429363), (1118, 1137865), (1157, 1099510), (2314, 549755), (2557, 497510), (2795, 455146), (3827, 332410), (5114, 248755), (5590, 227573), (5785, 219902), (7654, 166205), (11570, 109951), (12785, 99502), (19135, 66482), (25570, 49751), (33241, 38270)]