258987540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:806

約数の個数: 144

約数和(自身を含む): 851038272

約数和(自身を除く): 592050732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 137, 140, 147, 196, 210, 245, 274, 294, 411, 420, 490, 548, 588, 643, 685, 735, 822, 959, 980, 1286, 1370, 1470, 1644, 1918, 1929, 2055, 2572, 2740, 2877, 2940, 3215, 3836, 3858, 4110, 4501, 4795, 5754, 6430, 6713, 7716, 8220, 9002, 9590, 9645, 11508, 12860, 13426, 13503, 14385, 18004, 19180, 19290, 20139, 22505, 26852, 27006, 28770, 31507, 33565, 38580, 40278, 45010, 54012, 57540, 63014, 67130, 67515, 80556, 88091, 90020, 94521, 100695, 126028, 134260, 135030, 157535, 176182, 189042, 201390, 264273, 270060, 315070, 352364, 378084, 402780, 440455, 472605, 528546, 616637, 630140, 880910, 945210, 1057092, 1233274, 1321365, 1761820, 1849911, 1890420, 2466548, 2642730, 3083185, 3699822, 4316459, 5285460, 6166370, 7399644, 8632918, 9249555, 12332740, 12949377, 17265836, 18499110, 21582295, 25898754, 36998220, 43164590, 51797508, 64746885, 86329180, 129493770, 258987540]

約数ペア:

[(1, 258987540), (2, 129493770), (3, 86329180), (4, 64746885), (5, 51797508), (6, 43164590), (7, 36998220), (10, 25898754), (12, 21582295), (14, 18499110), (15, 17265836), (20, 12949377), (21, 12332740), (28, 9249555), (30, 8632918), (35, 7399644), (42, 6166370), (49, 5285460), (60, 4316459), (70, 3699822), (84, 3083185), (98, 2642730), (105, 2466548), (137, 1890420), (140, 1849911), (147, 1761820), (196, 1321365), (210, 1233274), (245, 1057092), (274, 945210), (294, 880910), (411, 630140), (420, 616637), (490, 528546), (548, 472605), (588, 440455), (643, 402780), (685, 378084), (735, 352364), (822, 315070), (959, 270060), (980, 264273), (1286, 201390), (1370, 189042), (1470, 176182), (1644, 157535), (1918, 135030), (1929, 134260), (2055, 126028), (2572, 100695), (2740, 94521), (2877, 90020), (2940, 88091), (3215, 80556), (3836, 67515), (3858, 67130), (4110, 63014), (4501, 57540), (4795, 54012), (5754, 45010), (6430, 40278), (6713, 38580), (7716, 33565), (8220, 31507), (9002, 28770), (9590, 27006), (9645, 26852), (11508, 22505), (12860, 20139), (13426, 19290), (13503, 19180), (14385, 18004)]