64855980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51473}}^1$

素因数の和:51495

約数の個数: 72

約数和(自身を含む): 224838432

約数和(自身を除く): 159982452

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, 51473, 102946, 154419, 205892, 257365, 308838, 360311, 463257, 514730, 617676, 720622, 772095, 926514, 1029460, 1080933, 1441244, 1544190, 1801555, 1853028, 2161866, 2316285, 3088380, 3242799, 3603110, 4323732, 4632570, 5404665, 6485598, 7206220, 9265140, 10809330, 12971196, 16213995, 21618660, 32427990, 64855980]

約数ペア:

[(1, 64855980), (2, 32427990), (3, 21618660), (4, 16213995), (5, 12971196), (6, 10809330), (7, 9265140), (9, 7206220), (10, 6485598), (12, 5404665), (14, 4632570), (15, 4323732), (18, 3603110), (20, 3242799), (21, 3088380), (28, 2316285), (30, 2161866), (35, 1853028), (36, 1801555), (42, 1544190), (45, 1441244), (60, 1080933), (63, 1029460), (70, 926514), (84, 772095), (90, 720622), (105, 617676), (126, 514730), (140, 463257), (180, 360311), (210, 308838), (252, 257365), (315, 205892), (420, 154419), (630, 102946), (1260, 51473)]