1297380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3089}}^1$

素因数の和:3108

約数の個数: 48

約数和(自身を含む): 4152960

約数和(自身を除く): 2855580

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, 3089, 6178, 9267, 12356, 15445, 18534, 21623, 30890, 37068, 43246, 46335, 61780, 64869, 86492, 92670, 108115, 129738, 185340, 216230, 259476, 324345, 432460, 648690, 1297380]

約数ペア:

[(1, 1297380), (2, 648690), (3, 432460), (4, 324345), (5, 259476), (6, 216230), (7, 185340), (10, 129738), (12, 108115), (14, 92670), (15, 86492), (20, 64869), (21, 61780), (28, 46335), (30, 43246), (35, 37068), (42, 30890), (60, 21623), (70, 18534), (84, 15445), (105, 12356), (140, 9267), (210, 6178), (420, 3089)]