68809860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:682

約数の個数: 144

約数和(自身を含む): 241428096

約数和(自身を除く): 172618236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 485, 563, 582, 630, 679, 873, 970, 1126, 1164, 1260, 1358, 1455, 1689, 1746, 1940, 2037, 2252, 2716, 2815, 2910, 3378, 3395, 3492, 3941, 4074, 4365, 5067, 5630, 5820, 6111, 6756, 6790, 7882, 8148, 8445, 8730, 10134, 10185, 11260, 11823, 12222, 13580, 15764, 16890, 17460, 19705, 20268, 20370, 23646, 24444, 25335, 30555, 33780, 35469, 39410, 40740, 47292, 50670, 54611, 59115, 61110, 70938, 78820, 101340, 109222, 118230, 122220, 141876, 163833, 177345, 218444, 236460, 273055, 327666, 354690, 382277, 491499, 546110, 655332, 709380, 764554, 819165, 982998, 1092220, 1146831, 1529108, 1638330, 1911385, 1965996, 2293662, 2457495, 3276660, 3440493, 3822770, 4587324, 4914990, 5734155, 6880986, 7645540, 9829980, 11468310, 13761972, 17202465, 22936620, 34404930, 68809860]

約数ペア:

[(1, 68809860), (2, 34404930), (3, 22936620), (4, 17202465), (5, 13761972), (6, 11468310), (7, 9829980), (9, 7645540), (10, 6880986), (12, 5734155), (14, 4914990), (15, 4587324), (18, 3822770), (20, 3440493), (21, 3276660), (28, 2457495), (30, 2293662), (35, 1965996), (36, 1911385), (42, 1638330), (45, 1529108), (60, 1146831), (63, 1092220), (70, 982998), (84, 819165), (90, 764554), (97, 709380), (105, 655332), (126, 546110), (140, 491499), (180, 382277), (194, 354690), (210, 327666), (252, 273055), (291, 236460), (315, 218444), (388, 177345), (420, 163833), (485, 141876), (563, 122220), (582, 118230), (630, 109222), (679, 101340), (873, 78820), (970, 70938), (1126, 61110), (1164, 59115), (1260, 54611), (1358, 50670), (1455, 47292), (1689, 40740), (1746, 39410), (1940, 35469), (2037, 33780), (2252, 30555), (2716, 25335), (2815, 24444), (2910, 23646), (3378, 20370), (3395, 20268), (3492, 19705), (3941, 17460), (4074, 16890), (4365, 15764), (5067, 13580), (5630, 12222), (5820, 11823), (6111, 11260), (6756, 10185), (6790, 10134), (7882, 8730), (8148, 8445)]