66881280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17417}}^1$

素因数の和:17441

約数の個数: 72

約数和(自身を含む): 213614352

約数和(自身を除く): 146733072

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, 17417, 34834, 52251, 69668, 87085, 104502, 139336, 174170, 209004, 261255, 278672, 348340, 418008, 522510, 557344, 696680, 836016, 1045020, 1114688, 1393360, 1672032, 2090040, 2229376, 2786720, 3344064, 4180080, 4458752, 5573440, 6688128, 8360160, 11146880, 13376256, 16720320, 22293760, 33440640, 66881280]

約数ペア:

[(1, 66881280), (2, 33440640), (3, 22293760), (4, 16720320), (5, 13376256), (6, 11146880), (8, 8360160), (10, 6688128), (12, 5573440), (15, 4458752), (16, 4180080), (20, 3344064), (24, 2786720), (30, 2229376), (32, 2090040), (40, 1672032), (48, 1393360), (60, 1114688), (64, 1045020), (80, 836016), (96, 696680), (120, 557344), (128, 522510), (160, 418008), (192, 348340), (240, 278672), (256, 261255), (320, 209004), (384, 174170), (480, 139336), (640, 104502), (768, 87085), (960, 69668), (1280, 52251), (1920, 34834), (3840, 17417)]