257391360

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22343}}^1$

素因数の和:22370

約数の個数: 108

約数和(自身を含む): 890587152

約数和(自身を除く): 633195792

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, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22343, 44686, 67029, 89372, 111715, 134058, 178744, 201087, 223430, 268116, 335145, 357488, 402174, 446860, 536232, 670290, 714976, 804348, 893720, 1005435, 1072464, 1340580, 1429952, 1608696, 1787440, 2010870, 2144928, 2681160, 2859904, 3217392, 3574880, 4021740, 4289856, 5362320, 5719808, 6434784, 7149760, 8043480, 8579712, 10724640, 12869568, 14299520, 16086960, 17159424, 21449280, 25739136, 28599040, 32173920, 42898560, 51478272, 64347840, 85797120, 128695680, 257391360]

約数ペア:

[(1, 257391360), (2, 128695680), (3, 85797120), (4, 64347840), (5, 51478272), (6, 42898560), (8, 32173920), (9, 28599040), (10, 25739136), (12, 21449280), (15, 17159424), (16, 16086960), (18, 14299520), (20, 12869568), (24, 10724640), (30, 8579712), (32, 8043480), (36, 7149760), (40, 6434784), (45, 5719808), (48, 5362320), (60, 4289856), (64, 4021740), (72, 3574880), (80, 3217392), (90, 2859904), (96, 2681160), (120, 2144928), (128, 2010870), (144, 1787440), (160, 1608696), (180, 1429952), (192, 1340580), (240, 1072464), (256, 1005435), (288, 893720), (320, 804348), (360, 714976), (384, 670290), (480, 536232), (576, 446860), (640, 402174), (720, 357488), (768, 335145), (960, 268116), (1152, 223430), (1280, 201087), (1440, 178744), (1920, 134058), (2304, 111715), (2880, 89372), (3840, 67029), (5760, 44686), (11520, 22343)]