164778840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:854

約数の個数: 128

約数和(自身を含む): 552268800

約数和(自身を除く): 387489960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 271, 360, 540, 542, 563, 813, 1080, 1084, 1126, 1355, 1626, 1689, 2168, 2252, 2439, 2710, 2815, 3252, 3378, 4065, 4504, 4878, 5067, 5420, 5630, 6504, 6756, 7317, 8130, 8445, 9756, 10134, 10840, 11260, 12195, 13512, 14634, 15201, 16260, 16890, 19512, 20268, 22520, 24390, 25335, 29268, 30402, 32520, 33780, 36585, 40536, 48780, 50670, 58536, 60804, 67560, 73170, 76005, 97560, 101340, 121608, 146340, 152010, 152573, 202680, 292680, 304020, 305146, 457719, 608040, 610292, 762865, 915438, 1220584, 1373157, 1525730, 1830876, 2288595, 2746314, 3051460, 3661752, 4119471, 4577190, 5492628, 6102920, 6865785, 8238942, 9154380, 10985256, 13731570, 16477884, 18308760, 20597355, 27463140, 32955768, 41194710, 54926280, 82389420, 164778840]

約数ペア:

[(1, 164778840), (2, 82389420), (3, 54926280), (4, 41194710), (5, 32955768), (6, 27463140), (8, 20597355), (9, 18308760), (10, 16477884), (12, 13731570), (15, 10985256), (18, 9154380), (20, 8238942), (24, 6865785), (27, 6102920), (30, 5492628), (36, 4577190), (40, 4119471), (45, 3661752), (54, 3051460), (60, 2746314), (72, 2288595), (90, 1830876), (108, 1525730), (120, 1373157), (135, 1220584), (180, 915438), (216, 762865), (270, 610292), (271, 608040), (360, 457719), (540, 305146), (542, 304020), (563, 292680), (813, 202680), (1080, 152573), (1084, 152010), (1126, 146340), (1355, 121608), (1626, 101340), (1689, 97560), (2168, 76005), (2252, 73170), (2439, 67560), (2710, 60804), (2815, 58536), (3252, 50670), (3378, 48780), (4065, 40536), (4504, 36585), (4878, 33780), (5067, 32520), (5420, 30402), (5630, 29268), (6504, 25335), (6756, 24390), (7317, 22520), (8130, 20268), (8445, 19512), (9756, 16890), (10134, 16260), (10840, 15201), (11260, 14634), (12195, 13512)]