2254140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1789}}^1$

素因数の和:1811

約数の個数: 72

約数和(自身を含む): 7818720

約数和(自身を除く): 5564580

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, 1789, 3578, 5367, 7156, 8945, 10734, 12523, 16101, 17890, 21468, 25046, 26835, 32202, 35780, 37569, 50092, 53670, 62615, 64404, 75138, 80505, 107340, 112707, 125230, 150276, 161010, 187845, 225414, 250460, 322020, 375690, 450828, 563535, 751380, 1127070, 2254140]

約数ペア:

[(1, 2254140), (2, 1127070), (3, 751380), (4, 563535), (5, 450828), (6, 375690), (7, 322020), (9, 250460), (10, 225414), (12, 187845), (14, 161010), (15, 150276), (18, 125230), (20, 112707), (21, 107340), (28, 80505), (30, 75138), (35, 64404), (36, 62615), (42, 53670), (45, 50092), (60, 37569), (63, 35780), (70, 32202), (84, 26835), (90, 25046), (105, 21468), (126, 17890), (140, 16101), (180, 12523), (210, 10734), (252, 8945), (315, 7156), (420, 5367), (630, 3578), (1260, 1789)]