20945622120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{643}}^1\times {\mathrm{769}}^1$

素因数の和:1779

約数の個数: 128

約数和(自身を含む): 63194947200

約数和(自身を除く): 42249325080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 643, 706, 769, 1059, 1286, 1412, 1538, 1765, 1929, 2118, 2307, 2572, 2824, 3076, 3215, 3530, 3845, 3858, 4236, 4614, 5144, 5295, 6152, 6430, 7060, 7690, 7716, 8472, 9228, 9645, 10590, 11535, 12860, 14120, 15380, 15432, 18456, 19290, 21180, 23070, 25720, 30760, 38580, 42360, 46140, 77160, 92280, 226979, 271457, 453958, 494467, 542914, 680937, 814371, 907916, 988934, 1085828, 1134895, 1357285, 1361874, 1483401, 1628742, 1815832, 1977868, 2171656, 2269790, 2472335, 2714570, 2723748, 2966802, 3257484, 3404685, 3955736, 4071855, 4539580, 4944670, 5429140, 5447496, 5933604, 6514968, 6809370, 7417005, 8143710, 9079160, 9889340, 10858280, 11867208, 13618740, 14834010, 16287420, 19778680, 27237480, 29668020, 32574840, 59336040, 174546851, 349093702, 523640553, 698187404, 872734255, 1047281106, 1396374808, 1745468510, 2094562212, 2618202765, 3490937020, 4189124424, 5236405530, 6981874040, 10472811060, 20945622120]

約数ペア:

[(1, 20945622120), (2, 10472811060), (3, 6981874040), (4, 5236405530), (5, 4189124424), (6, 3490937020), (8, 2618202765), (10, 2094562212), (12, 1745468510), (15, 1396374808), (20, 1047281106), (24, 872734255), (30, 698187404), (40, 523640553), (60, 349093702), (120, 174546851), (353, 59336040), (643, 32574840), (706, 29668020), (769, 27237480), (1059, 19778680), (1286, 16287420), (1412, 14834010), (1538, 13618740), (1765, 11867208), (1929, 10858280), (2118, 9889340), (2307, 9079160), (2572, 8143710), (2824, 7417005), (3076, 6809370), (3215, 6514968), (3530, 5933604), (3845, 5447496), (3858, 5429140), (4236, 4944670), (4614, 4539580), (5144, 4071855), (5295, 3955736), (6152, 3404685), (6430, 3257484), (7060, 2966802), (7690, 2723748), (7716, 2714570), (8472, 2472335), (9228, 2269790), (9645, 2171656), (10590, 1977868), (11535, 1815832), (12860, 1628742), (14120, 1483401), (15380, 1361874), (15432, 1357285), (18456, 1134895), (19290, 1085828), (21180, 988934), (23070, 907916), (25720, 814371), (30760, 680937), (38580, 542914), (42360, 494467), (46140, 453958), (77160, 271457), (92280, 226979)]