255409920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22171}}^1$

素因数の和:22198

約数の個数: 108

約数和(自身を含む): 883731576

約数和(自身を除く): 628321656

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, 22171, 44342, 66513, 88684, 110855, 133026, 177368, 199539, 221710, 266052, 332565, 354736, 399078, 443420, 532104, 665130, 709472, 798156, 886840, 997695, 1064208, 1330260, 1418944, 1596312, 1773680, 1995390, 2128416, 2660520, 2837888, 3192624, 3547360, 3990780, 4256832, 5321040, 5675776, 6385248, 7094720, 7981560, 8513664, 10642080, 12770496, 14189440, 15963120, 17027328, 21284160, 25540992, 28378880, 31926240, 42568320, 51081984, 63852480, 85136640, 127704960, 255409920]

約数ペア:

[(1, 255409920), (2, 127704960), (3, 85136640), (4, 63852480), (5, 51081984), (6, 42568320), (8, 31926240), (9, 28378880), (10, 25540992), (12, 21284160), (15, 17027328), (16, 15963120), (18, 14189440), (20, 12770496), (24, 10642080), (30, 8513664), (32, 7981560), (36, 7094720), (40, 6385248), (45, 5675776), (48, 5321040), (60, 4256832), (64, 3990780), (72, 3547360), (80, 3192624), (90, 2837888), (96, 2660520), (120, 2128416), (128, 1995390), (144, 1773680), (160, 1596312), (180, 1418944), (192, 1330260), (240, 1064208), (256, 997695), (288, 886840), (320, 798156), (360, 709472), (384, 665130), (480, 532104), (576, 443420), (640, 399078), (720, 354736), (768, 332565), (960, 266052), (1152, 221710), (1280, 199539), (1440, 177368), (1920, 133026), (2304, 110855), (2880, 88684), (3840, 66513), (5760, 44342), (11520, 22171)]