51568020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40927}}^1$

素因数の和:40949

約数の個数: 72

約数和(自身を含む): 178773504

約数和(自身を除く): 127205484

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, 40927, 81854, 122781, 163708, 204635, 245562, 286489, 368343, 409270, 491124, 572978, 613905, 736686, 818540, 859467, 1145956, 1227810, 1432445, 1473372, 1718934, 1841715, 2455620, 2578401, 2864890, 3437868, 3683430, 4297335, 5156802, 5729780, 7366860, 8594670, 10313604, 12892005, 17189340, 25784010, 51568020]

約数ペア:

[(1, 51568020), (2, 25784010), (3, 17189340), (4, 12892005), (5, 10313604), (6, 8594670), (7, 7366860), (9, 5729780), (10, 5156802), (12, 4297335), (14, 3683430), (15, 3437868), (18, 2864890), (20, 2578401), (21, 2455620), (28, 1841715), (30, 1718934), (35, 1473372), (36, 1432445), (42, 1227810), (45, 1145956), (60, 859467), (63, 818540), (70, 736686), (84, 613905), (90, 572978), (105, 491124), (126, 409270), (140, 368343), (180, 286489), (210, 245562), (252, 204635), (315, 163708), (420, 122781), (630, 81854), (1260, 40927)]