77245840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 206415360

約数和(自身を除く): 129169520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 509, 542, 560, 1018, 1084, 1355, 1897, 2036, 2168, 2545, 2710, 3563, 3794, 4072, 4336, 5090, 5420, 7126, 7588, 8144, 9485, 10180, 10840, 14252, 15176, 17815, 18970, 20360, 21680, 28504, 30352, 35630, 37940, 40720, 57008, 71260, 75880, 137939, 142520, 151760, 275878, 285040, 551756, 689695, 965573, 1103512, 1379390, 1931146, 2207024, 2758780, 3862292, 4827865, 5517560, 7724584, 9655730, 11035120, 15449168, 19311460, 38622920, 77245840]

約数ペア:

[(1, 77245840), (2, 38622920), (4, 19311460), (5, 15449168), (7, 11035120), (8, 9655730), (10, 7724584), (14, 5517560), (16, 4827865), (20, 3862292), (28, 2758780), (35, 2207024), (40, 1931146), (56, 1379390), (70, 1103512), (80, 965573), (112, 689695), (140, 551756), (271, 285040), (280, 275878), (509, 151760), (542, 142520), (560, 137939), (1018, 75880), (1084, 71260), (1355, 57008), (1897, 40720), (2036, 37940), (2168, 35630), (2545, 30352), (2710, 28504), (3563, 21680), (3794, 20360), (4072, 18970), (4336, 17815), (5090, 15176), (5420, 14252), (7126, 10840), (7588, 10180), (8144, 9485)]