15838720

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:315

約数の個数: 80

約数和(自身を含む): 39774240

約数和(自身を除く): 23935520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 269, 320, 368, 460, 512, 538, 640, 736, 920, 1076, 1280, 1345, 1472, 1840, 2152, 2560, 2690, 2944, 3680, 4304, 5380, 5888, 6187, 7360, 8608, 10760, 11776, 12374, 14720, 17216, 21520, 24748, 29440, 30935, 34432, 43040, 49496, 58880, 61870, 68864, 86080, 98992, 123740, 137728, 172160, 197984, 247480, 344320, 395968, 494960, 688640, 791936, 989920, 1583872, 1979840, 3167744, 3959680, 7919360, 15838720]

約数ペア:

[(1, 15838720), (2, 7919360), (4, 3959680), (5, 3167744), (8, 1979840), (10, 1583872), (16, 989920), (20, 791936), (23, 688640), (32, 494960), (40, 395968), (46, 344320), (64, 247480), (80, 197984), (92, 172160), (115, 137728), (128, 123740), (160, 98992), (184, 86080), (230, 68864), (256, 61870), (269, 58880), (320, 49496), (368, 43040), (460, 34432), (512, 30935), (538, 29440), (640, 24748), (736, 21520), (920, 17216), (1076, 14720), (1280, 12374), (1345, 11776), (1472, 10760), (1840, 8608), (2152, 7360), (2560, 6187), (2690, 5888), (2944, 5380), (3680, 4304)]