15211520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{2971}}^1$

素因数の和:2996

約数の個数: 44

約数和(自身を含む): 36502104

約数和(自身を除く): 21290584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 2971, 5120, 5942, 11884, 14855, 23768, 29710, 47536, 59420, 95072, 118840, 190144, 237680, 380288, 475360, 760576, 950720, 1521152, 1901440, 3042304, 3802880, 7605760, 15211520]

約数ペア:

[(1, 15211520), (2, 7605760), (4, 3802880), (5, 3042304), (8, 1901440), (10, 1521152), (16, 950720), (20, 760576), (32, 475360), (40, 380288), (64, 237680), (80, 190144), (128, 118840), (160, 95072), (256, 59420), (320, 47536), (512, 29710), (640, 23768), (1024, 14855), (1280, 11884), (2560, 5942), (2971, 5120)]