1280497770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2861}}^1\times {\mathrm{4973}}^1$

素因数の和:7847

約数の個数: 48

約数和(自身を含む): 3331127592

約数和(自身を除く): 2050629822

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2861, 4973, 5722, 8583, 9946, 14305, 14919, 17166, 24865, 25749, 28610, 29838, 42915, 44757, 49730, 51498, 74595, 85830, 89514, 128745, 149190, 223785, 257490, 447570, 14227753, 28455506, 42683259, 71138765, 85366518, 128049777, 142277530, 213416295, 256099554, 426832590, 640248885, 1280497770]

約数ペア:

[(1, 1280497770), (2, 640248885), (3, 426832590), (5, 256099554), (6, 213416295), (9, 142277530), (10, 128049777), (15, 85366518), (18, 71138765), (30, 42683259), (45, 28455506), (90, 14227753), (2861, 447570), (4973, 257490), (5722, 223785), (8583, 149190), (9946, 128745), (14305, 89514), (14919, 85830), (17166, 74595), (24865, 51498), (25749, 49730), (28610, 44757), (29838, 42915)]