2563020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 8058960

約数和(自身を除く): 5495940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 491, 522, 580, 870, 982, 1044, 1305, 1473, 1740, 1964, 2455, 2610, 2946, 4419, 4910, 5220, 5892, 7365, 8838, 9820, 14239, 14730, 17676, 22095, 28478, 29460, 42717, 44190, 56956, 71195, 85434, 88380, 128151, 142390, 170868, 213585, 256302, 284780, 427170, 512604, 640755, 854340, 1281510, 2563020]

約数ペア:

[(1, 2563020), (2, 1281510), (3, 854340), (4, 640755), (5, 512604), (6, 427170), (9, 284780), (10, 256302), (12, 213585), (15, 170868), (18, 142390), (20, 128151), (29, 88380), (30, 85434), (36, 71195), (45, 56956), (58, 44190), (60, 42717), (87, 29460), (90, 28478), (116, 22095), (145, 17676), (174, 14730), (180, 14239), (261, 9820), (290, 8838), (348, 7365), (435, 5892), (491, 5220), (522, 4910), (580, 4419), (870, 2946), (982, 2610), (1044, 2455), (1305, 1964), (1473, 1740)]