256451040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178091}}^1$

素因数の和:178112

約数の個数: 72

約数和(自身を含む): 875144088

約数和(自身を除く): 618693048

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 178091, 356182, 534273, 712364, 890455, 1068546, 1424728, 1602819, 1780910, 2137092, 2671365, 2849456, 3205638, 3561820, 4274184, 5342730, 5698912, 6411276, 7123640, 8014095, 8548368, 10685460, 12822552, 14247280, 16028190, 17096736, 21370920, 25645104, 28494560, 32056380, 42741840, 51290208, 64112760, 85483680, 128225520, 256451040]

約数ペア:

[(1, 256451040), (2, 128225520), (3, 85483680), (4, 64112760), (5, 51290208), (6, 42741840), (8, 32056380), (9, 28494560), (10, 25645104), (12, 21370920), (15, 17096736), (16, 16028190), (18, 14247280), (20, 12822552), (24, 10685460), (30, 8548368), (32, 8014095), (36, 7123640), (40, 6411276), (45, 5698912), (48, 5342730), (60, 4274184), (72, 3561820), (80, 3205638), (90, 2849456), (96, 2671365), (120, 2137092), (144, 1780910), (160, 1602819), (180, 1424728), (240, 1068546), (288, 890455), (360, 712364), (480, 534273), (720, 356182), (1440, 178091)]