87761820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 262483200

約数和(自身を除く): 174721380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 139, 170, 204, 255, 278, 340, 417, 510, 556, 619, 695, 834, 1020, 1238, 1390, 1668, 1857, 2085, 2363, 2476, 2780, 3095, 3714, 4170, 4726, 6190, 7089, 7428, 8340, 9285, 9452, 10523, 11815, 12380, 14178, 18570, 21046, 23630, 28356, 31569, 35445, 37140, 42092, 47260, 52615, 63138, 70890, 86041, 105230, 126276, 141780, 157845, 172082, 210460, 258123, 315690, 344164, 430205, 516246, 631380, 860410, 1032492, 1290615, 1462697, 1720820, 2581230, 2925394, 4388091, 5162460, 5850788, 7313485, 8776182, 14626970, 17552364, 21940455, 29253940, 43880910, 87761820]

約数ペア:

[(1, 87761820), (2, 43880910), (3, 29253940), (4, 21940455), (5, 17552364), (6, 14626970), (10, 8776182), (12, 7313485), (15, 5850788), (17, 5162460), (20, 4388091), (30, 2925394), (34, 2581230), (51, 1720820), (60, 1462697), (68, 1290615), (85, 1032492), (102, 860410), (139, 631380), (170, 516246), (204, 430205), (255, 344164), (278, 315690), (340, 258123), (417, 210460), (510, 172082), (556, 157845), (619, 141780), (695, 126276), (834, 105230), (1020, 86041), (1238, 70890), (1390, 63138), (1668, 52615), (1857, 47260), (2085, 42092), (2363, 37140), (2476, 35445), (2780, 31569), (3095, 28356), (3714, 23630), (4170, 21046), (4726, 18570), (6190, 14178), (7089, 12380), (7428, 11815), (8340, 10523), (9285, 9452)]