17981280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{12487}}^1$

素因数の和:12508

約数の個数: 72

約数和(自身を含む): 61366032

約数和(自身を除く): 43384752

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 12487, 24974, 37461, 49948, 62435, 74922, 99896, 112383, 124870, 149844, 187305, 199792, 224766, 249740, 299688, 374610, 399584, 449532, 499480, 561915, 599376, 749220, 899064, 998960, 1123830, 1198752, 1498440, 1798128, 1997920, 2247660, 2996880, 3596256, 4495320, 5993760, 8990640, 17981280]

約数ペア:

[(1, 17981280), (2, 8990640), (3, 5993760), (4, 4495320), (5, 3596256), (6, 2996880), (8, 2247660), (9, 1997920), (10, 1798128), (12, 1498440), (15, 1198752), (16, 1123830), (18, 998960), (20, 899064), (24, 749220), (30, 599376), (32, 561915), (36, 499480), (40, 449532), (45, 399584), (48, 374610), (60, 299688), (72, 249740), (80, 224766), (90, 199792), (96, 187305), (120, 149844), (144, 124870), (160, 112383), (180, 99896), (240, 74922), (288, 62435), (360, 49948), (480, 37461), (720, 24974), (1440, 12487)]