180233900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 494968320

約数和(自身を除く): 314734420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 89, 100, 110, 140, 154, 175, 178, 220, 263, 275, 308, 350, 356, 385, 445, 526, 550, 623, 700, 770, 890, 979, 1052, 1100, 1246, 1315, 1540, 1780, 1841, 1925, 1958, 2225, 2492, 2630, 2893, 3115, 3682, 3850, 3916, 4450, 4895, 5260, 5786, 6230, 6575, 6853, 7364, 7700, 8900, 9205, 9790, 11572, 12460, 13150, 13706, 14465, 15575, 18410, 19580, 20251, 23407, 24475, 26300, 27412, 28930, 31150, 34265, 36820, 40502, 46025, 46814, 48950, 57860, 62300, 68530, 72325, 81004, 92050, 93628, 97900, 101255, 117035, 137060, 144650, 163849, 171325, 184100, 202510, 234070, 257477, 289300, 327698, 342650, 405020, 468140, 506275, 514954, 585175, 655396, 685300, 819245, 1012550, 1029908, 1170350, 1287385, 1638490, 1802339, 2025100, 2340700, 2574770, 3276980, 3604678, 4096225, 5149540, 6436925, 7209356, 8192450, 9011695, 12873850, 16384900, 18023390, 25747700, 36046780, 45058475, 90116950, 180233900]

約数ペア:

[(1, 180233900), (2, 90116950), (4, 45058475), (5, 36046780), (7, 25747700), (10, 18023390), (11, 16384900), (14, 12873850), (20, 9011695), (22, 8192450), (25, 7209356), (28, 6436925), (35, 5149540), (44, 4096225), (50, 3604678), (55, 3276980), (70, 2574770), (77, 2340700), (89, 2025100), (100, 1802339), (110, 1638490), (140, 1287385), (154, 1170350), (175, 1029908), (178, 1012550), (220, 819245), (263, 685300), (275, 655396), (308, 585175), (350, 514954), (356, 506275), (385, 468140), (445, 405020), (526, 342650), (550, 327698), (623, 289300), (700, 257477), (770, 234070), (890, 202510), (979, 184100), (1052, 171325), (1100, 163849), (1246, 144650), (1315, 137060), (1540, 117035), (1780, 101255), (1841, 97900), (1925, 93628), (1958, 92050), (2225, 81004), (2492, 72325), (2630, 68530), (2893, 62300), (3115, 57860), (3682, 48950), (3850, 46814), (3916, 46025), (4450, 40502), (4895, 36820), (5260, 34265), (5786, 31150), (6230, 28930), (6575, 27412), (6853, 26300), (7364, 24475), (7700, 23407), (8900, 20251), (9205, 19580), (9790, 18410), (11572, 15575), (12460, 14465), (13150, 13706)]