42265720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6563}}^1$

素因数の和:6604

約数の個数: 64

約数和(自身を含む): 113425920

約数和(自身を除く): 71160200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 6563, 13126, 26252, 32815, 45941, 52504, 65630, 91882, 131260, 150949, 183764, 229705, 262520, 301898, 367528, 459410, 603796, 754745, 918820, 1056643, 1207592, 1509490, 1837640, 2113286, 3018980, 4226572, 5283215, 6037960, 8453144, 10566430, 21132860, 42265720]

約数ペア:

[(1, 42265720), (2, 21132860), (4, 10566430), (5, 8453144), (7, 6037960), (8, 5283215), (10, 4226572), (14, 3018980), (20, 2113286), (23, 1837640), (28, 1509490), (35, 1207592), (40, 1056643), (46, 918820), (56, 754745), (70, 603796), (92, 459410), (115, 367528), (140, 301898), (161, 262520), (184, 229705), (230, 183764), (280, 150949), (322, 131260), (460, 91882), (644, 65630), (805, 52504), (920, 45941), (1288, 32815), (1610, 26252), (3220, 13126), (6440, 6563)]