30749720

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1163}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 69351120

約数和(自身を除く): 38601400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1163, 1322, 2326, 2644, 3305, 4652, 5288, 5815, 6610, 9304, 11630, 13220, 23260, 26440, 46520, 768743, 1537486, 3074972, 3843715, 6149944, 7687430, 15374860, 30749720]

約数ペア:

[(1, 30749720), (2, 15374860), (4, 7687430), (5, 6149944), (8, 3843715), (10, 3074972), (20, 1537486), (40, 768743), (661, 46520), (1163, 26440), (1322, 23260), (2326, 13220), (2644, 11630), (3305, 9304), (4652, 6610), (5288, 5815)]