256554720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9377}}^1$

素因数の和:9417

約数の個数: 144

約数和(自身を含む): 921669840

約数和(自身を除く): 665115120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 9377, 13680, 18754, 27360, 28131, 37508, 46885, 56262, 75016, 84393, 93770, 112524, 140655, 150032, 168786, 178163, 187540, 225048, 281310, 300064, 337572, 356326, 375080, 421965, 450096, 534489, 562620, 675144, 712652, 750160, 843930, 890815, 900192, 1068978, 1125240, 1350288, 1425304, 1500320, 1603467, 1687860, 1781630, 2137956, 2250480, 2672445, 2700576, 2850608, 3206934, 3375720, 3563260, 4275912, 4500960, 5344890, 5701216, 6413868, 6751440, 7126520, 8017335, 8551824, 10689780, 12827736, 13502880, 14253040, 16034670, 17103648, 21379560, 25655472, 28506080, 32069340, 42759120, 51310944, 64138680, 85518240, 128277360, 256554720]

約数ペア:

[(1, 256554720), (2, 128277360), (3, 85518240), (4, 64138680), (5, 51310944), (6, 42759120), (8, 32069340), (9, 28506080), (10, 25655472), (12, 21379560), (15, 17103648), (16, 16034670), (18, 14253040), (19, 13502880), (20, 12827736), (24, 10689780), (30, 8551824), (32, 8017335), (36, 7126520), (38, 6751440), (40, 6413868), (45, 5701216), (48, 5344890), (57, 4500960), (60, 4275912), (72, 3563260), (76, 3375720), (80, 3206934), (90, 2850608), (95, 2700576), (96, 2672445), (114, 2250480), (120, 2137956), (144, 1781630), (152, 1687860), (160, 1603467), (171, 1500320), (180, 1425304), (190, 1350288), (228, 1125240), (240, 1068978), (285, 900192), (288, 890815), (304, 843930), (342, 750160), (360, 712652), (380, 675144), (456, 562620), (480, 534489), (570, 450096), (608, 421965), (684, 375080), (720, 356326), (760, 337572), (855, 300064), (912, 281310), (1140, 225048), (1368, 187540), (1440, 178163), (1520, 168786), (1710, 150032), (1824, 140655), (2280, 112524), (2736, 93770), (3040, 84393), (3420, 75016), (4560, 56262), (5472, 46885), (6840, 37508), (9120, 28131), (9377, 27360), (13680, 18754)]