80868900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 270843776

約数和(自身を除く): 189974876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 97, 100, 105, 140, 150, 175, 194, 210, 291, 300, 350, 388, 397, 420, 485, 525, 582, 679, 700, 794, 970, 1050, 1164, 1191, 1358, 1455, 1588, 1940, 1985, 2037, 2100, 2382, 2425, 2716, 2779, 2910, 3395, 3970, 4074, 4764, 4850, 5558, 5820, 5955, 6790, 7275, 7940, 8148, 8337, 9700, 9925, 10185, 11116, 11910, 13580, 13895, 14550, 16674, 16975, 19850, 20370, 23820, 27790, 29100, 29775, 33348, 33950, 38509, 39700, 40740, 41685, 50925, 55580, 59550, 67900, 69475, 77018, 83370, 101850, 115527, 119100, 138950, 154036, 166740, 192545, 203700, 208425, 231054, 269563, 277900, 385090, 416850, 462108, 539126, 577635, 770180, 808689, 833700, 962725, 1078252, 1155270, 1347815, 1617378, 1925450, 2310540, 2695630, 2888175, 3234756, 3850900, 4043445, 5391260, 5776350, 6739075, 8086890, 11552700, 13478150, 16173780, 20217225, 26956300, 40434450, 80868900]

約数ペア:

[(1, 80868900), (2, 40434450), (3, 26956300), (4, 20217225), (5, 16173780), (6, 13478150), (7, 11552700), (10, 8086890), (12, 6739075), (14, 5776350), (15, 5391260), (20, 4043445), (21, 3850900), (25, 3234756), (28, 2888175), (30, 2695630), (35, 2310540), (42, 1925450), (50, 1617378), (60, 1347815), (70, 1155270), (75, 1078252), (84, 962725), (97, 833700), (100, 808689), (105, 770180), (140, 577635), (150, 539126), (175, 462108), (194, 416850), (210, 385090), (291, 277900), (300, 269563), (350, 231054), (388, 208425), (397, 203700), (420, 192545), (485, 166740), (525, 154036), (582, 138950), (679, 119100), (700, 115527), (794, 101850), (970, 83370), (1050, 77018), (1164, 69475), (1191, 67900), (1358, 59550), (1455, 55580), (1588, 50925), (1940, 41685), (1985, 40740), (2037, 39700), (2100, 38509), (2382, 33950), (2425, 33348), (2716, 29775), (2779, 29100), (2910, 27790), (3395, 23820), (3970, 20370), (4074, 19850), (4764, 16975), (4850, 16674), (5558, 14550), (5820, 13895), (5955, 13580), (6790, 11910), (7275, 11116), (7940, 10185), (8148, 9925), (8337, 9700)]