78877120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1578

約数の個数: 112

約数和(自身を含む): 224137728

約数和(自身を除く): 145260608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1531, 1610, 1840, 2240, 2576, 3062, 3220, 3680, 5152, 6124, 6440, 7360, 7655, 10304, 10717, 12248, 12880, 15310, 21434, 24496, 25760, 30620, 35213, 42868, 48992, 51520, 53585, 61240, 70426, 85736, 97984, 107170, 122480, 140852, 171472, 176065, 214340, 244960, 246491, 281704, 342944, 352130, 428680, 489920, 492982, 563408, 685888, 704260, 857360, 985964, 1126816, 1232455, 1408520, 1714720, 1971928, 2253632, 2464910, 2817040, 3429440, 3943856, 4929820, 5634080, 7887712, 9859640, 11268160, 15775424, 19719280, 39438560, 78877120]

約数ペア:

[(1, 78877120), (2, 39438560), (4, 19719280), (5, 15775424), (7, 11268160), (8, 9859640), (10, 7887712), (14, 5634080), (16, 4929820), (20, 3943856), (23, 3429440), (28, 2817040), (32, 2464910), (35, 2253632), (40, 1971928), (46, 1714720), (56, 1408520), (64, 1232455), (70, 1126816), (80, 985964), (92, 857360), (112, 704260), (115, 685888), (140, 563408), (160, 492982), (161, 489920), (184, 428680), (224, 352130), (230, 342944), (280, 281704), (320, 246491), (322, 244960), (368, 214340), (448, 176065), (460, 171472), (560, 140852), (644, 122480), (736, 107170), (805, 97984), (920, 85736), (1120, 70426), (1288, 61240), (1472, 53585), (1531, 51520), (1610, 48992), (1840, 42868), (2240, 35213), (2576, 30620), (3062, 25760), (3220, 24496), (3680, 21434), (5152, 15310), (6124, 12880), (6440, 12248), (7360, 10717), (7655, 10304)]