15864720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{66103}}^1$

素因数の和:66119

約数の個数: 40

約数和(自身を含む): 49181376

約数和(自身を除く): 33316656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 66103, 132206, 198309, 264412, 330515, 396618, 528824, 661030, 793236, 991545, 1057648, 1322060, 1586472, 1983090, 2644120, 3172944, 3966180, 5288240, 7932360, 15864720]

約数ペア:

[(1, 15864720), (2, 7932360), (3, 5288240), (4, 3966180), (5, 3172944), (6, 2644120), (8, 1983090), (10, 1586472), (12, 1322060), (15, 1057648), (16, 991545), (20, 793236), (24, 661030), (30, 528824), (40, 396618), (48, 330515), (60, 264412), (80, 198309), (120, 132206), (240, 66103)]