1687084360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 4215214080

約数和(自身を除く): 2528129720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 197, 215, 260, 344, 383, 394, 430, 520, 559, 766, 788, 860, 985, 1118, 1532, 1576, 1720, 1915, 1970, 2236, 2561, 2795, 3064, 3830, 3940, 4472, 4979, 5122, 5590, 7660, 7880, 8471, 9958, 10244, 11180, 12805, 15320, 16469, 16942, 19916, 20488, 22360, 24895, 25610, 32938, 33884, 39832, 42355, 49790, 51220, 65876, 67768, 75451, 82345, 84710, 99580, 102440, 110123, 131752, 150902, 164690, 169420, 199160, 214097, 220246, 301804, 329380, 338840, 377255, 428194, 440492, 550615, 603608, 658760, 754510, 856388, 880984, 980863, 1070485, 1101230, 1509020, 1712776, 1961726, 2140970, 2202460, 3018040, 3244393, 3923452, 4281940, 4404920, 4904315, 6488786, 7846904, 8563880, 9808630, 12977572, 16221965, 19617260, 25955144, 32443930, 39234520, 42177109, 64887860, 84354218, 129775720, 168708436, 210885545, 337416872, 421771090, 843542180, 1687084360]

約数ペア:

[(1, 1687084360), (2, 843542180), (4, 421771090), (5, 337416872), (8, 210885545), (10, 168708436), (13, 129775720), (20, 84354218), (26, 64887860), (40, 42177109), (43, 39234520), (52, 32443930), (65, 25955144), (86, 19617260), (104, 16221965), (130, 12977572), (172, 9808630), (197, 8563880), (215, 7846904), (260, 6488786), (344, 4904315), (383, 4404920), (394, 4281940), (430, 3923452), (520, 3244393), (559, 3018040), (766, 2202460), (788, 2140970), (860, 1961726), (985, 1712776), (1118, 1509020), (1532, 1101230), (1576, 1070485), (1720, 980863), (1915, 880984), (1970, 856388), (2236, 754510), (2561, 658760), (2795, 603608), (3064, 550615), (3830, 440492), (3940, 428194), (4472, 377255), (4979, 338840), (5122, 329380), (5590, 301804), (7660, 220246), (7880, 214097), (8471, 199160), (9958, 169420), (10244, 164690), (11180, 150902), (12805, 131752), (15320, 110123), (16469, 102440), (16942, 99580), (19916, 84710), (20488, 82345), (22360, 75451), (24895, 67768), (25610, 65876), (32938, 51220), (33884, 49790), (39832, 42355)]