161780220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:489

約数の個数: 192

約数和(自身を含む): 581468160

約数和(自身を除く): 419687940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 127, 135, 140, 180, 189, 210, 252, 254, 270, 315, 337, 378, 381, 420, 508, 540, 630, 635, 674, 756, 762, 889, 945, 1011, 1143, 1260, 1270, 1348, 1524, 1685, 1778, 1890, 1905, 2022, 2286, 2359, 2540, 2667, 3033, 3370, 3429, 3556, 3780, 3810, 4044, 4445, 4572, 4718, 5055, 5334, 5715, 6066, 6740, 6858, 7077, 7620, 8001, 8890, 9099, 9436, 10110, 10668, 11430, 11795, 12132, 13335, 13716, 14154, 15165, 16002, 17145, 17780, 18198, 20220, 21231, 22860, 23590, 24003, 26670, 28308, 30330, 32004, 34290, 35385, 36396, 40005, 42462, 42799, 45495, 47180, 48006, 53340, 60660, 63693, 68580, 70770, 80010, 84924, 85598, 90990, 96012, 106155, 120015, 127386, 128397, 141540, 160020, 171196, 181980, 212310, 213995, 240030, 254772, 256794, 299593, 318465, 385191, 424620, 427990, 480060, 513588, 599186, 636930, 641985, 770382, 855980, 898779, 1155573, 1198372, 1273860, 1283970, 1497965, 1540764, 1797558, 1925955, 2311146, 2567940, 2696337, 2995930, 3595116, 3851910, 4493895, 4622292, 5392674, 5777865, 5991860, 7703820, 8089011, 8987790, 10785348, 11555730, 13481685, 16178022, 17975580, 23111460, 26963370, 32356044, 40445055, 53926740, 80890110, 161780220]

約数ペア:

[(1, 161780220), (2, 80890110), (3, 53926740), (4, 40445055), (5, 32356044), (6, 26963370), (7, 23111460), (9, 17975580), (10, 16178022), (12, 13481685), (14, 11555730), (15, 10785348), (18, 8987790), (20, 8089011), (21, 7703820), (27, 5991860), (28, 5777865), (30, 5392674), (35, 4622292), (36, 4493895), (42, 3851910), (45, 3595116), (54, 2995930), (60, 2696337), (63, 2567940), (70, 2311146), (84, 1925955), (90, 1797558), (105, 1540764), (108, 1497965), (126, 1283970), (127, 1273860), (135, 1198372), (140, 1155573), (180, 898779), (189, 855980), (210, 770382), (252, 641985), (254, 636930), (270, 599186), (315, 513588), (337, 480060), (378, 427990), (381, 424620), (420, 385191), (508, 318465), (540, 299593), (630, 256794), (635, 254772), (674, 240030), (756, 213995), (762, 212310), (889, 181980), (945, 171196), (1011, 160020), (1143, 141540), (1260, 128397), (1270, 127386), (1348, 120015), (1524, 106155), (1685, 96012), (1778, 90990), (1890, 85598), (1905, 84924), (2022, 80010), (2286, 70770), (2359, 68580), (2540, 63693), (2667, 60660), (3033, 53340), (3370, 48006), (3429, 47180), (3556, 45495), (3780, 42799), (3810, 42462), (4044, 40005), (4445, 36396), (4572, 35385), (4718, 34290), (5055, 32004), (5334, 30330), (5715, 28308), (6066, 26670), (6740, 24003), (6858, 23590), (7077, 22860), (7620, 21231), (8001, 20220), (8890, 18198), (9099, 17780), (9436, 17145), (10110, 16002), (10668, 15165), (11430, 14154), (11795, 13716), (12132, 13335)]