840720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 2714112

約数和(自身を除く): 1873392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 113, 120, 124, 155, 186, 226, 240, 248, 310, 339, 372, 452, 465, 496, 565, 620, 678, 744, 904, 930, 1130, 1240, 1356, 1488, 1695, 1808, 1860, 2260, 2480, 2712, 3390, 3503, 3720, 4520, 5424, 6780, 7006, 7440, 9040, 10509, 13560, 14012, 17515, 21018, 27120, 28024, 35030, 42036, 52545, 56048, 70060, 84072, 105090, 140120, 168144, 210180, 280240, 420360, 840720]

約数ペア:

[(1, 840720), (2, 420360), (3, 280240), (4, 210180), (5, 168144), (6, 140120), (8, 105090), (10, 84072), (12, 70060), (15, 56048), (16, 52545), (20, 42036), (24, 35030), (30, 28024), (31, 27120), (40, 21018), (48, 17515), (60, 14012), (62, 13560), (80, 10509), (93, 9040), (113, 7440), (120, 7006), (124, 6780), (155, 5424), (186, 4520), (226, 3720), (240, 3503), (248, 3390), (310, 2712), (339, 2480), (372, 2260), (452, 1860), (465, 1808), (496, 1695), (565, 1488), (620, 1356), (678, 1240), (744, 1130), (904, 930)]