78165180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1913}}^1$

素因数の和:2155

約数の個数: 72

約数和(自身を含む): 238270032

約数和(自身を除く): 160104852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 1913, 2043, 2270, 2724, 3405, 3826, 4086, 4540, 5739, 6810, 7652, 8172, 9565, 10215, 11478, 13620, 17217, 19130, 20430, 22956, 28695, 34434, 38260, 40860, 57390, 68868, 86085, 114780, 172170, 344340, 434251, 868502, 1302753, 1737004, 2171255, 2605506, 3908259, 4342510, 5211012, 6513765, 7816518, 8685020, 13027530, 15633036, 19541295, 26055060, 39082590, 78165180]

約数ペア:

[(1, 78165180), (2, 39082590), (3, 26055060), (4, 19541295), (5, 15633036), (6, 13027530), (9, 8685020), (10, 7816518), (12, 6513765), (15, 5211012), (18, 4342510), (20, 3908259), (30, 2605506), (36, 2171255), (45, 1737004), (60, 1302753), (90, 868502), (180, 434251), (227, 344340), (454, 172170), (681, 114780), (908, 86085), (1135, 68868), (1362, 57390), (1913, 40860), (2043, 38260), (2270, 34434), (2724, 28695), (3405, 22956), (3826, 20430), (4086, 19130), (4540, 17217), (5739, 13620), (6810, 11478), (7652, 10215), (8172, 9565)]