20378088960

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{64717}}^1$

素因数の和:64784

約数の個数: 160

約数和(自身を含む): 66736166112

約数和(自身を除く): 46358077152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 512, 615, 640, 656, 768, 820, 960, 984, 1230, 1280, 1312, 1536, 1640, 1920, 1968, 2460, 2560, 2624, 3280, 3840, 3936, 4920, 5248, 6560, 7680, 7872, 9840, 10496, 13120, 15744, 19680, 20992, 26240, 31488, 39360, 52480, 62976, 64717, 78720, 104960, 129434, 157440, 194151, 258868, 314880, 323585, 388302, 517736, 647170, 776604, 970755, 1035472, 1294340, 1553208, 1941510, 2070944, 2588680, 2653397, 3106416, 3883020, 4141888, 5177360, 5306794, 6212832, 7766040, 7960191, 8283776, 10354720, 10613588, 12425664, 13266985, 15532080, 15920382, 16567552, 20709440, 21227176, 24851328, 26533970, 31064160, 31840764, 33135104, 39800955, 41418880, 42454352, 49702656, 53067940, 62128320, 63681528, 79601910, 82837760, 84908704, 99405312, 106135880, 124256640, 127363056, 159203820, 165675520, 169817408, 212271760, 248513280, 254726112, 318407640, 339634816, 424543520, 497026560, 509452224, 636815280, 679269632, 849087040, 1018904448, 1273630560, 1358539264, 1698174080, 2037808896, 2547261120, 3396348160, 4075617792, 5094522240, 6792696320, 10189044480, 20378088960]

約数ペア:

[(1, 20378088960), (2, 10189044480), (3, 6792696320), (4, 5094522240), (5, 4075617792), (6, 3396348160), (8, 2547261120), (10, 2037808896), (12, 1698174080), (15, 1358539264), (16, 1273630560), (20, 1018904448), (24, 849087040), (30, 679269632), (32, 636815280), (40, 509452224), (41, 497026560), (48, 424543520), (60, 339634816), (64, 318407640), (80, 254726112), (82, 248513280), (96, 212271760), (120, 169817408), (123, 165675520), (128, 159203820), (160, 127363056), (164, 124256640), (192, 106135880), (205, 99405312), (240, 84908704), (246, 82837760), (256, 79601910), (320, 63681528), (328, 62128320), (384, 53067940), (410, 49702656), (480, 42454352), (492, 41418880), (512, 39800955), (615, 33135104), (640, 31840764), (656, 31064160), (768, 26533970), (820, 24851328), (960, 21227176), (984, 20709440), (1230, 16567552), (1280, 15920382), (1312, 15532080), (1536, 13266985), (1640, 12425664), (1920, 10613588), (1968, 10354720), (2460, 8283776), (2560, 7960191), (2624, 7766040), (3280, 6212832), (3840, 5306794), (3936, 5177360), (4920, 4141888), (5248, 3883020), (6560, 3106416), (7680, 2653397), (7872, 2588680), (9840, 2070944), (10496, 1941510), (13120, 1553208), (15744, 1294340), (19680, 1035472), (20992, 970755), (26240, 776604), (31488, 647170), (39360, 517736), (52480, 388302), (62976, 323585), (64717, 314880), (78720, 258868), (104960, 194151), (129434, 157440)]