388045260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2447}}^1$

素因数の和:3343

約数の個数: 72

約数和(自身を含む): 1178888256

約数和(自身を除く): 790842996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 881, 1762, 2447, 2643, 3524, 4405, 4894, 5286, 7341, 7929, 8810, 9788, 10572, 12235, 13215, 14682, 15858, 17620, 22023, 24470, 26430, 29364, 31716, 36705, 39645, 44046, 48940, 52860, 73410, 79290, 88092, 110115, 146820, 158580, 220230, 440460, 2155807, 4311614, 6467421, 8623228, 10779035, 12934842, 19402263, 21558070, 25869684, 32337105, 38804526, 43116140, 64674210, 77609052, 97011315, 129348420, 194022630, 388045260]

約数ペア:

[(1, 388045260), (2, 194022630), (3, 129348420), (4, 97011315), (5, 77609052), (6, 64674210), (9, 43116140), (10, 38804526), (12, 32337105), (15, 25869684), (18, 21558070), (20, 19402263), (30, 12934842), (36, 10779035), (45, 8623228), (60, 6467421), (90, 4311614), (180, 2155807), (881, 440460), (1762, 220230), (2447, 158580), (2643, 146820), (3524, 110115), (4405, 88092), (4894, 79290), (5286, 73410), (7341, 52860), (7929, 48940), (8810, 44046), (9788, 39645), (10572, 36705), (12235, 31716), (13215, 29364), (14682, 26430), (15858, 24470), (17620, 22023)]