253505280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{9431}}^1$

素因数の和:9462

約数の個数: 144

約数和(自身を含む): 925392384

約数和(自身を除く): 671887104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 9431, 13440, 18862, 26880, 28293, 37724, 47155, 56586, 66017, 75448, 94310, 113172, 132034, 141465, 150896, 188620, 198051, 226344, 264068, 282930, 301792, 330085, 377240, 396102, 452688, 528136, 565860, 603584, 660170, 754480, 792204, 905376, 990255, 1056272, 1131720, 1207168, 1320340, 1508960, 1584408, 1810752, 1980510, 2112544, 2263440, 2414336, 2640680, 3017920, 3168816, 3621504, 3961020, 4225088, 4526880, 5281360, 6035840, 6337632, 7243008, 7922040, 8450176, 9053760, 10562720, 12071680, 12675264, 15844080, 16900352, 18107520, 21125440, 25350528, 31688160, 36215040, 42250880, 50701056, 63376320, 84501760, 126752640, 253505280]

約数ペア:

[(1, 253505280), (2, 126752640), (3, 84501760), (4, 63376320), (5, 50701056), (6, 42250880), (7, 36215040), (8, 31688160), (10, 25350528), (12, 21125440), (14, 18107520), (15, 16900352), (16, 15844080), (20, 12675264), (21, 12071680), (24, 10562720), (28, 9053760), (30, 8450176), (32, 7922040), (35, 7243008), (40, 6337632), (42, 6035840), (48, 5281360), (56, 4526880), (60, 4225088), (64, 3961020), (70, 3621504), (80, 3168816), (84, 3017920), (96, 2640680), (105, 2414336), (112, 2263440), (120, 2112544), (128, 1980510), (140, 1810752), (160, 1584408), (168, 1508960), (192, 1320340), (210, 1207168), (224, 1131720), (240, 1056272), (256, 990255), (280, 905376), (320, 792204), (336, 754480), (384, 660170), (420, 603584), (448, 565860), (480, 528136), (560, 452688), (640, 396102), (672, 377240), (768, 330085), (840, 301792), (896, 282930), (960, 264068), (1120, 226344), (1280, 198051), (1344, 188620), (1680, 150896), (1792, 141465), (1920, 132034), (2240, 113172), (2688, 94310), (3360, 75448), (3840, 66017), (4480, 56586), (5376, 47155), (6720, 37724), (8960, 28293), (9431, 26880), (13440, 18862)]