253326780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1879}}^1$

素因数の和:2008

約数の個数: 144

約数和(自身を含む): 886878720

約数和(自身を除く): 633551940

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, 1879, 1926, 2140, 2247, 2996, 3210, 3745, 3758, 3852, 4494, 4815, 5637, 6420, 6741, 7490, 7516, 8988, 9395, 9630, 11235, 11274, 13153, 13482, 14980, 16911, 18790, 19260, 22470, 22548, 26306, 26964, 28185, 33705, 33822, 37580, 39459, 44940, 52612, 56370, 65765, 67410, 67644, 78918, 84555, 112740, 118377, 131530, 134820, 157836, 169110, 197295, 201053, 236754, 263060, 338220, 394590, 402106, 473508, 591885, 603159, 789180, 804212, 1005265, 1183770, 1206318, 1407371, 1809477, 2010530, 2367540, 2412636, 2814742, 3015795, 3618954, 4021060, 4222113, 5629484, 6031590, 7036855, 7237908, 8444226, 9047385, 12063180, 12666339, 14073710, 16888452, 18094770, 21110565, 25332678, 28147420, 36189540, 42221130, 50665356, 63331695, 84442260, 126663390, 253326780]

約数ペア:

[(1, 253326780), (2, 126663390), (3, 84442260), (4, 63331695), (5, 50665356), (6, 42221130), (7, 36189540), (9, 28147420), (10, 25332678), (12, 21110565), (14, 18094770), (15, 16888452), (18, 14073710), (20, 12666339), (21, 12063180), (28, 9047385), (30, 8444226), (35, 7237908), (36, 7036855), (42, 6031590), (45, 5629484), (60, 4222113), (63, 4021060), (70, 3618954), (84, 3015795), (90, 2814742), (105, 2412636), (107, 2367540), (126, 2010530), (140, 1809477), (180, 1407371), (210, 1206318), (214, 1183770), (252, 1005265), (315, 804212), (321, 789180), (420, 603159), (428, 591885), (535, 473508), (630, 402106), (642, 394590), (749, 338220), (963, 263060), (1070, 236754), (1260, 201053), (1284, 197295), (1498, 169110), (1605, 157836), (1879, 134820), (1926, 131530), (2140, 118377), (2247, 112740), (2996, 84555), (3210, 78918), (3745, 67644), (3758, 67410), (3852, 65765), (4494, 56370), (4815, 52612), (5637, 44940), (6420, 39459), (6741, 37580), (7490, 33822), (7516, 33705), (8988, 28185), (9395, 26964), (9630, 26306), (11235, 22548), (11274, 22470), (13153, 19260), (13482, 18790), (14980, 16911)]