220534440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262541}}^1$

素因数の和:262562

約数の個数: 64

約数和(自身を含む): 756120960

約数和(自身を除く): 535586520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 262541, 525082, 787623, 1050164, 1312705, 1575246, 1837787, 2100328, 2625410, 3150492, 3675574, 3938115, 5250820, 5513361, 6300984, 7351148, 7876230, 9188935, 10501640, 11026722, 14702296, 15752460, 18377870, 22053444, 27566805, 31504920, 36755740, 44106888, 55133610, 73511480, 110267220, 220534440]

約数ペア:

[(1, 220534440), (2, 110267220), (3, 73511480), (4, 55133610), (5, 44106888), (6, 36755740), (7, 31504920), (8, 27566805), (10, 22053444), (12, 18377870), (14, 15752460), (15, 14702296), (20, 11026722), (21, 10501640), (24, 9188935), (28, 7876230), (30, 7351148), (35, 6300984), (40, 5513361), (42, 5250820), (56, 3938115), (60, 3675574), (70, 3150492), (84, 2625410), (105, 2100328), (120, 1837787), (140, 1575246), (168, 1312705), (210, 1050164), (280, 787623), (420, 525082), (840, 262541)]