256340340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7229}}^1$

素因数の和:7441

約数の個数: 72

約数和(自身を含む): 781620840

約数和(自身を除く): 525280500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5910, 7092, 7229, 8865, 11820, 14458, 17730, 21687, 28916, 35460, 36145, 43374, 65061, 72290, 86748, 108435, 130122, 144580, 216870, 260244, 325305, 433740, 650610, 1301220, 1424113, 2848226, 4272339, 5696452, 7120565, 8544678, 12817017, 14241130, 17089356, 21361695, 25634034, 28482260, 42723390, 51268068, 64085085, 85446780, 128170170, 256340340]

約数ペア:

[(1, 256340340), (2, 128170170), (3, 85446780), (4, 64085085), (5, 51268068), (6, 42723390), (9, 28482260), (10, 25634034), (12, 21361695), (15, 17089356), (18, 14241130), (20, 12817017), (30, 8544678), (36, 7120565), (45, 5696452), (60, 4272339), (90, 2848226), (180, 1424113), (197, 1301220), (394, 650610), (591, 433740), (788, 325305), (985, 260244), (1182, 216870), (1773, 144580), (1970, 130122), (2364, 108435), (2955, 86748), (3546, 72290), (3940, 65061), (5910, 43374), (7092, 36145), (7229, 35460), (8865, 28916), (11820, 21687), (14458, 17730)]