221140560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1433}}^1$

素因数の和:2092

約数の個数: 80

約数和(自身を含む): 687081024

約数和(自身を除く): 465940464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643, 1286, 1433, 1929, 2572, 2866, 3215, 3858, 4299, 5144, 5732, 6430, 7165, 7716, 8598, 9645, 10288, 11464, 12860, 14330, 15432, 17196, 19290, 21495, 22928, 25720, 28660, 30864, 34392, 38580, 42990, 51440, 57320, 68784, 77160, 85980, 114640, 154320, 171960, 343920, 921419, 1842838, 2764257, 3685676, 4607095, 5528514, 7371352, 9214190, 11057028, 13821285, 14742704, 18428380, 22114056, 27642570, 36856760, 44228112, 55285140, 73713520, 110570280, 221140560]

約数ペア:

[(1, 221140560), (2, 110570280), (3, 73713520), (4, 55285140), (5, 44228112), (6, 36856760), (8, 27642570), (10, 22114056), (12, 18428380), (15, 14742704), (16, 13821285), (20, 11057028), (24, 9214190), (30, 7371352), (40, 5528514), (48, 4607095), (60, 3685676), (80, 2764257), (120, 1842838), (240, 921419), (643, 343920), (1286, 171960), (1433, 154320), (1929, 114640), (2572, 85980), (2866, 77160), (3215, 68784), (3858, 57320), (4299, 51440), (5144, 42990), (5732, 38580), (6430, 34392), (7165, 30864), (7716, 28660), (8598, 25720), (9645, 22928), (10288, 21495), (11464, 19290), (12860, 17196), (14330, 15432)]