1215697840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{310127}}^1$

素因数の和:310154

約数の個数: 60

約数和(自身を含む): 3287977056

約数和(自身を除く): 2072279216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 310127, 620254, 1240508, 1550635, 2170889, 2481016, 3101270, 4341778, 4962032, 6202540, 8683556, 10854445, 12405080, 15196223, 17367112, 21708890, 24810160, 30392446, 34734224, 43417780, 60784892, 75981115, 86835560, 121569784, 151962230, 173671120, 243139568, 303924460, 607848920, 1215697840]

約数ペア:

[(1, 1215697840), (2, 607848920), (4, 303924460), (5, 243139568), (7, 173671120), (8, 151962230), (10, 121569784), (14, 86835560), (16, 75981115), (20, 60784892), (28, 43417780), (35, 34734224), (40, 30392446), (49, 24810160), (56, 21708890), (70, 17367112), (80, 15196223), (98, 12405080), (112, 10854445), (140, 8683556), (196, 6202540), (245, 4962032), (280, 4341778), (392, 3101270), (490, 2481016), (560, 2170889), (784, 1550635), (980, 1240508), (1960, 620254), (3920, 310127)]