23780720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 58662912

約数和(自身を除く): 34882192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 223, 248, 310, 344, 430, 446, 496, 620, 688, 860, 892, 1115, 1240, 1333, 1720, 1784, 2230, 2480, 2666, 3440, 3568, 4460, 5332, 6665, 6913, 8920, 9589, 10664, 13330, 13826, 17840, 19178, 21328, 26660, 27652, 34565, 38356, 47945, 53320, 55304, 69130, 76712, 95890, 106640, 110608, 138260, 153424, 191780, 276520, 297259, 383560, 553040, 594518, 767120, 1189036, 1486295, 2378072, 2972590, 4756144, 5945180, 11890360, 23780720]

約数ペア:

[(1, 23780720), (2, 11890360), (4, 5945180), (5, 4756144), (8, 2972590), (10, 2378072), (16, 1486295), (20, 1189036), (31, 767120), (40, 594518), (43, 553040), (62, 383560), (80, 297259), (86, 276520), (124, 191780), (155, 153424), (172, 138260), (215, 110608), (223, 106640), (248, 95890), (310, 76712), (344, 69130), (430, 55304), (446, 53320), (496, 47945), (620, 38356), (688, 34565), (860, 27652), (892, 26660), (1115, 21328), (1240, 19178), (1333, 17840), (1720, 13826), (1784, 13330), (2230, 10664), (2480, 9589), (2666, 8920), (3440, 6913), (3568, 6665), (4460, 5332)]