388146780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2879}}^1$

素因数の和:3008

約数の個数: 144

約数和(自身を含む): 1358622720

約数和(自身を除く): 970475940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 107, 126, 140, 180, 210, 214, 252, 315, 321, 420, 428, 535, 630, 642, 749, 963, 1070, 1260, 1284, 1498, 1605, 1926, 2140, 2247, 2879, 2996, 3210, 3745, 3852, 4494, 4815, 5758, 6420, 6741, 7490, 8637, 8988, 9630, 11235, 11516, 13482, 14395, 14980, 17274, 19260, 20153, 22470, 25911, 26964, 28790, 33705, 34548, 40306, 43185, 44940, 51822, 57580, 60459, 67410, 80612, 86370, 100765, 103644, 120918, 129555, 134820, 172740, 181377, 201530, 241836, 259110, 302295, 308053, 362754, 403060, 518220, 604590, 616106, 725508, 906885, 924159, 1209180, 1232212, 1540265, 1813770, 1848318, 2156371, 2772477, 3080530, 3627540, 3696636, 4312742, 4620795, 5544954, 6161060, 6469113, 8625484, 9241590, 10781855, 11089908, 12938226, 13862385, 18483180, 19407339, 21563710, 25876452, 27724770, 32345565, 38814678, 43127420, 55449540, 64691130, 77629356, 97036695, 129382260, 194073390, 388146780]

約数ペア:

[(1, 388146780), (2, 194073390), (3, 129382260), (4, 97036695), (5, 77629356), (6, 64691130), (7, 55449540), (9, 43127420), (10, 38814678), (12, 32345565), (14, 27724770), (15, 25876452), (18, 21563710), (20, 19407339), (21, 18483180), (28, 13862385), (30, 12938226), (35, 11089908), (36, 10781855), (42, 9241590), (45, 8625484), (60, 6469113), (63, 6161060), (70, 5544954), (84, 4620795), (90, 4312742), (105, 3696636), (107, 3627540), (126, 3080530), (140, 2772477), (180, 2156371), (210, 1848318), (214, 1813770), (252, 1540265), (315, 1232212), (321, 1209180), (420, 924159), (428, 906885), (535, 725508), (630, 616106), (642, 604590), (749, 518220), (963, 403060), (1070, 362754), (1260, 308053), (1284, 302295), (1498, 259110), (1605, 241836), (1926, 201530), (2140, 181377), (2247, 172740), (2879, 134820), (2996, 129555), (3210, 120918), (3745, 103644), (3852, 100765), (4494, 86370), (4815, 80612), (5758, 67410), (6420, 60459), (6741, 57580), (7490, 51822), (8637, 44940), (8988, 43185), (9630, 40306), (11235, 34548), (11516, 33705), (13482, 28790), (14395, 26964), (14980, 25911), (17274, 22470), (19260, 20153)]