398856960

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{3847}}^1$

素因数の和:3880

約数の個数: 180

約数和(自身を含む): 1427554128

約数和(自身を除く): 1028697168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 3847, 4320, 5184, 5760, 6480, 6912, 7694, 8640, 10368, 11520, 11541, 12960, 15388, 17280, 19235, 20736, 23082, 25920, 30776, 34560, 34623, 38470, 46164, 51840, 57705, 61552, 69246, 76940, 92328, 103680, 103869, 115410, 123104, 138492, 153880, 173115, 184656, 207738, 230820, 246208, 276984, 307760, 311607, 346230, 369312, 415476, 461640, 492416, 519345, 553968, 615520, 623214, 692460, 738624, 830952, 923280, 984832, 1038690, 1107936, 1231040, 1246428, 1384920, 1477248, 1558035, 1661904, 1846560, 2077380, 2215872, 2462080, 2492856, 2769840, 2954496, 3116070, 3323808, 3693120, 4154760, 4431744, 4924160, 4985712, 5539680, 6232140, 6647616, 7386240, 8309520, 8863488, 9971424, 11079360, 12464280, 13295232, 14772480, 16619040, 19942848, 22158720, 24928560, 26590464, 33238080, 39885696, 44317440, 49857120, 66476160, 79771392, 99714240, 132952320, 199428480, 398856960]

約数ペア:

[(1, 398856960), (2, 199428480), (3, 132952320), (4, 99714240), (5, 79771392), (6, 66476160), (8, 49857120), (9, 44317440), (10, 39885696), (12, 33238080), (15, 26590464), (16, 24928560), (18, 22158720), (20, 19942848), (24, 16619040), (27, 14772480), (30, 13295232), (32, 12464280), (36, 11079360), (40, 9971424), (45, 8863488), (48, 8309520), (54, 7386240), (60, 6647616), (64, 6232140), (72, 5539680), (80, 4985712), (81, 4924160), (90, 4431744), (96, 4154760), (108, 3693120), (120, 3323808), (128, 3116070), (135, 2954496), (144, 2769840), (160, 2492856), (162, 2462080), (180, 2215872), (192, 2077380), (216, 1846560), (240, 1661904), (256, 1558035), (270, 1477248), (288, 1384920), (320, 1246428), (324, 1231040), (360, 1107936), (384, 1038690), (405, 984832), (432, 923280), (480, 830952), (540, 738624), (576, 692460), (640, 623214), (648, 615520), (720, 553968), (768, 519345), (810, 492416), (864, 461640), (960, 415476), (1080, 369312), (1152, 346230), (1280, 311607), (1296, 307760), (1440, 276984), (1620, 246208), (1728, 230820), (1920, 207738), (2160, 184656), (2304, 173115), (2592, 153880), (2880, 138492), (3240, 123104), (3456, 115410), (3840, 103869), (3847, 103680), (4320, 92328), (5184, 76940), (5760, 69246), (6480, 61552), (6912, 57705), (7694, 51840), (8640, 46164), (10368, 38470), (11520, 34623), (11541, 34560), (12960, 30776), (15388, 25920), (17280, 23082), (19235, 20736)]