138243420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109717}}^1$

素因数の和:109739

約数の個数: 72

約数和(自身を含む): 479248224

約数和(自身を除く): 341004804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 109717, 219434, 329151, 438868, 548585, 658302, 768019, 987453, 1097170, 1316604, 1536038, 1645755, 1974906, 2194340, 2304057, 3072076, 3291510, 3840095, 3949812, 4608114, 4937265, 6583020, 6912171, 7680190, 9216228, 9874530, 11520285, 13824342, 15360380, 19749060, 23040570, 27648684, 34560855, 46081140, 69121710, 138243420]

約数ペア:

[(1, 138243420), (2, 69121710), (3, 46081140), (4, 34560855), (5, 27648684), (6, 23040570), (7, 19749060), (9, 15360380), (10, 13824342), (12, 11520285), (14, 9874530), (15, 9216228), (18, 7680190), (20, 6912171), (21, 6583020), (28, 4937265), (30, 4608114), (35, 3949812), (36, 3840095), (42, 3291510), (45, 3072076), (60, 2304057), (63, 2194340), (70, 1974906), (84, 1645755), (90, 1536038), (105, 1316604), (126, 1097170), (140, 987453), (180, 768019), (210, 658302), (252, 548585), (315, 438868), (420, 329151), (630, 219434), (1260, 109717)]