9781973680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{7877}}^1$

素因数の和:7971

約数の個数: 120

約数和(自身を含む): 24564423312

約数和(自身を除く): 14782449632

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 361, 380, 430, 688, 722, 760, 817, 860, 1444, 1520, 1634, 1720, 1805, 2888, 3268, 3440, 3610, 4085, 5776, 6536, 7220, 7877, 8170, 13072, 14440, 15523, 15754, 16340, 28880, 31046, 31508, 32680, 39385, 62092, 63016, 65360, 77615, 78770, 124184, 126032, 149663, 155230, 157540, 248368, 299326, 310460, 315080, 338711, 598652, 620920, 630160, 677422, 748315, 1197304, 1241840, 1354844, 1496630, 1693555, 2394608, 2709688, 2843597, 2993260, 3387110, 5419376, 5687194, 5986520, 6435509, 6774220, 11374388, 11973040, 12871018, 13548440, 14217985, 22748776, 25742036, 27096880, 28435970, 32177545, 45497552, 51484072, 56871940, 64355090, 102968144, 113743880, 122274671, 128710180, 227487760, 244549342, 257420360, 489098684, 514840720, 611373355, 978197368, 1222746710, 1956394736, 2445493420, 4890986840, 9781973680]

約数ペア:

[(1, 9781973680), (2, 4890986840), (4, 2445493420), (5, 1956394736), (8, 1222746710), (10, 978197368), (16, 611373355), (19, 514840720), (20, 489098684), (38, 257420360), (40, 244549342), (43, 227487760), (76, 128710180), (80, 122274671), (86, 113743880), (95, 102968144), (152, 64355090), (172, 56871940), (190, 51484072), (215, 45497552), (304, 32177545), (344, 28435970), (361, 27096880), (380, 25742036), (430, 22748776), (688, 14217985), (722, 13548440), (760, 12871018), (817, 11973040), (860, 11374388), (1444, 6774220), (1520, 6435509), (1634, 5986520), (1720, 5687194), (1805, 5419376), (2888, 3387110), (3268, 2993260), (3440, 2843597), (3610, 2709688), (4085, 2394608), (5776, 1693555), (6536, 1496630), (7220, 1354844), (7877, 1241840), (8170, 1197304), (13072, 748315), (14440, 677422), (15523, 630160), (15754, 620920), (16340, 598652), (28880, 338711), (31046, 315080), (31508, 310460), (32680, 299326), (39385, 248368), (62092, 157540), (63016, 155230), (65360, 149663), (77615, 126032), (78770, 124184)]