209142720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:843

約数の個数: 168

約数和(自身を含む): 727496640

約数和(自身を除く): 518353920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 101, 120, 144, 160, 180, 192, 202, 240, 288, 303, 320, 360, 404, 480, 505, 576, 606, 719, 720, 808, 909, 960, 1010, 1212, 1438, 1440, 1515, 1616, 1818, 2020, 2157, 2424, 2876, 2880, 3030, 3232, 3595, 3636, 4040, 4314, 4545, 4848, 5752, 6060, 6464, 6471, 7190, 7272, 8080, 8628, 9090, 9696, 10785, 11504, 12120, 12942, 14380, 14544, 16160, 17256, 18180, 19392, 21570, 23008, 24240, 25884, 28760, 29088, 32320, 32355, 34512, 36360, 43140, 46016, 48480, 51768, 57520, 58176, 64710, 69024, 72619, 72720, 86280, 96960, 103536, 115040, 129420, 138048, 145238, 145440, 172560, 207072, 217857, 230080, 258840, 290476, 290880, 345120, 363095, 414144, 435714, 517680, 580952, 653571, 690240, 726190, 871428, 1035360, 1089285, 1161904, 1307142, 1452380, 1742856, 2070720, 2178570, 2323808, 2614284, 2904760, 3267855, 3485712, 4357140, 4647616, 5228568, 5809520, 6535710, 6971424, 8714280, 10457136, 11619040, 13071420, 13942848, 17428560, 20914272, 23238080, 26142840, 34857120, 41828544, 52285680, 69714240, 104571360, 209142720]

約数ペア:

[(1, 209142720), (2, 104571360), (3, 69714240), (4, 52285680), (5, 41828544), (6, 34857120), (8, 26142840), (9, 23238080), (10, 20914272), (12, 17428560), (15, 13942848), (16, 13071420), (18, 11619040), (20, 10457136), (24, 8714280), (30, 6971424), (32, 6535710), (36, 5809520), (40, 5228568), (45, 4647616), (48, 4357140), (60, 3485712), (64, 3267855), (72, 2904760), (80, 2614284), (90, 2323808), (96, 2178570), (101, 2070720), (120, 1742856), (144, 1452380), (160, 1307142), (180, 1161904), (192, 1089285), (202, 1035360), (240, 871428), (288, 726190), (303, 690240), (320, 653571), (360, 580952), (404, 517680), (480, 435714), (505, 414144), (576, 363095), (606, 345120), (719, 290880), (720, 290476), (808, 258840), (909, 230080), (960, 217857), (1010, 207072), (1212, 172560), (1438, 145440), (1440, 145238), (1515, 138048), (1616, 129420), (1818, 115040), (2020, 103536), (2157, 96960), (2424, 86280), (2876, 72720), (2880, 72619), (3030, 69024), (3232, 64710), (3595, 58176), (3636, 57520), (4040, 51768), (4314, 48480), (4545, 46016), (4848, 43140), (5752, 36360), (6060, 34512), (6464, 32355), (6471, 32320), (7190, 29088), (7272, 28760), (8080, 25884), (8628, 24240), (9090, 23008), (9696, 21570), (10785, 19392), (11504, 18180), (12120, 17256), (12942, 16160), (14380, 14544)]