280784640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{73121}}^1$

素因数の和:73145

約数の個数: 72

約数和(自身を含む): 896768208

約数和(自身を除く): 615983568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 73121, 146242, 219363, 292484, 365605, 438726, 584968, 731210, 877452, 1096815, 1169936, 1462420, 1754904, 2193630, 2339872, 2924840, 3509808, 4387260, 4679744, 5849680, 7019616, 8774520, 9359488, 11699360, 14039232, 17549040, 18718976, 23398720, 28078464, 35098080, 46797440, 56156928, 70196160, 93594880, 140392320, 280784640]

約数ペア:

[(1, 280784640), (2, 140392320), (3, 93594880), (4, 70196160), (5, 56156928), (6, 46797440), (8, 35098080), (10, 28078464), (12, 23398720), (15, 18718976), (16, 17549040), (20, 14039232), (24, 11699360), (30, 9359488), (32, 8774520), (40, 7019616), (48, 5849680), (60, 4679744), (64, 4387260), (80, 3509808), (96, 2924840), (120, 2339872), (128, 2193630), (160, 1754904), (192, 1462420), (240, 1169936), (256, 1096815), (320, 877452), (384, 731210), (480, 584968), (640, 438726), (768, 365605), (960, 292484), (1280, 219363), (1920, 146242), (3840, 73121)]