64638840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{10993}}^1$

素因数の和:11021

約数の個数: 96

約数和(自身を含む): 225596880

約数和(自身を除く): 160958040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 10993, 21986, 32979, 43972, 54965, 65958, 76951, 87944, 109930, 131916, 153902, 164895, 219860, 230853, 263832, 307804, 329790, 384755, 439720, 461706, 538657, 615608, 659580, 769510, 923412, 1077314, 1154265, 1319160, 1539020, 1615971, 1846824, 2154628, 2308530, 2693285, 3078040, 3231942, 4309256, 4617060, 5386570, 6463884, 8079855, 9234120, 10773140, 12927768, 16159710, 21546280, 32319420, 64638840]

約数ペア:

[(1, 64638840), (2, 32319420), (3, 21546280), (4, 16159710), (5, 12927768), (6, 10773140), (7, 9234120), (8, 8079855), (10, 6463884), (12, 5386570), (14, 4617060), (15, 4309256), (20, 3231942), (21, 3078040), (24, 2693285), (28, 2308530), (30, 2154628), (35, 1846824), (40, 1615971), (42, 1539020), (49, 1319160), (56, 1154265), (60, 1077314), (70, 923412), (84, 769510), (98, 659580), (105, 615608), (120, 538657), (140, 461706), (147, 439720), (168, 384755), (196, 329790), (210, 307804), (245, 263832), (280, 230853), (294, 219860), (392, 164895), (420, 153902), (490, 131916), (588, 109930), (735, 87944), (840, 76951), (980, 65958), (1176, 54965), (1470, 43972), (1960, 32979), (2940, 21986), (5880, 10993)]