1277220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3041}}^1$

素因数の和:3060

約数の個数: 48

約数和(自身を含む): 4088448

約数和(自身を除く): 2811228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3041, 6082, 9123, 12164, 15205, 18246, 21287, 30410, 36492, 42574, 45615, 60820, 63861, 85148, 91230, 106435, 127722, 182460, 212870, 255444, 319305, 425740, 638610, 1277220]

約数ペア:

[(1, 1277220), (2, 638610), (3, 425740), (4, 319305), (5, 255444), (6, 212870), (7, 182460), (10, 127722), (12, 106435), (14, 91230), (15, 85148), (20, 63861), (21, 60820), (28, 45615), (30, 42574), (35, 36492), (42, 30410), (60, 21287), (70, 18246), (84, 15205), (105, 12164), (140, 9123), (210, 6082), (420, 3041)]