23540720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 63234048

約数和(自身を除く): 39693328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 331, 508, 560, 635, 662, 889, 1016, 1270, 1324, 1655, 1778, 2032, 2317, 2540, 2648, 3310, 3556, 4445, 4634, 5080, 5296, 6620, 7112, 8890, 9268, 10160, 11585, 13240, 14224, 17780, 18536, 23170, 26480, 35560, 37072, 42037, 46340, 71120, 84074, 92680, 168148, 185360, 210185, 294259, 336296, 420370, 588518, 672592, 840740, 1177036, 1471295, 1681480, 2354072, 2942590, 3362960, 4708144, 5885180, 11770360, 23540720]

約数ペア:

[(1, 23540720), (2, 11770360), (4, 5885180), (5, 4708144), (7, 3362960), (8, 2942590), (10, 2354072), (14, 1681480), (16, 1471295), (20, 1177036), (28, 840740), (35, 672592), (40, 588518), (56, 420370), (70, 336296), (80, 294259), (112, 210185), (127, 185360), (140, 168148), (254, 92680), (280, 84074), (331, 71120), (508, 46340), (560, 42037), (635, 37072), (662, 35560), (889, 26480), (1016, 23170), (1270, 18536), (1324, 17780), (1655, 14224), (1778, 13240), (2032, 11585), (2317, 10160), (2540, 9268), (2648, 8890), (3310, 7112), (3556, 6620), (4445, 5296), (4634, 5080)]