31893180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 102961152

約数和(自身を除く): 71067972

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 92, 110, 115, 121, 132, 138, 165, 191, 220, 230, 242, 253, 276, 330, 345, 363, 382, 460, 484, 506, 573, 605, 660, 690, 726, 759, 764, 955, 1012, 1146, 1210, 1265, 1380, 1452, 1518, 1815, 1910, 2101, 2292, 2420, 2530, 2783, 2865, 3036, 3630, 3795, 3820, 4202, 4393, 5060, 5566, 5730, 6303, 7260, 7590, 8349, 8404, 8786, 10505, 11132, 11460, 12606, 13179, 13915, 15180, 16698, 17572, 21010, 21965, 23111, 25212, 26358, 27830, 31515, 33396, 41745, 42020, 43930, 46222, 48323, 52716, 55660, 63030, 65895, 69333, 83490, 87860, 92444, 96646, 115555, 126060, 131790, 138666, 144969, 166980, 193292, 231110, 241615, 263580, 277332, 289938, 346665, 462220, 483230, 531553, 579876, 693330, 724845, 966460, 1063106, 1386660, 1449690, 1594659, 2126212, 2657765, 2899380, 3189318, 5315530, 6378636, 7973295, 10631060, 15946590, 31893180]

約数ペア:

[(1, 31893180), (2, 15946590), (3, 10631060), (4, 7973295), (5, 6378636), (6, 5315530), (10, 3189318), (11, 2899380), (12, 2657765), (15, 2126212), (20, 1594659), (22, 1449690), (23, 1386660), (30, 1063106), (33, 966460), (44, 724845), (46, 693330), (55, 579876), (60, 531553), (66, 483230), (69, 462220), (92, 346665), (110, 289938), (115, 277332), (121, 263580), (132, 241615), (138, 231110), (165, 193292), (191, 166980), (220, 144969), (230, 138666), (242, 131790), (253, 126060), (276, 115555), (330, 96646), (345, 92444), (363, 87860), (382, 83490), (460, 69333), (484, 65895), (506, 63030), (573, 55660), (605, 52716), (660, 48323), (690, 46222), (726, 43930), (759, 42020), (764, 41745), (955, 33396), (1012, 31515), (1146, 27830), (1210, 26358), (1265, 25212), (1380, 23111), (1452, 21965), (1518, 21010), (1815, 17572), (1910, 16698), (2101, 15180), (2292, 13915), (2420, 13179), (2530, 12606), (2783, 11460), (2865, 11132), (3036, 10505), (3630, 8786), (3795, 8404), (3820, 8349), (4202, 7590), (4393, 7260), (5060, 6303), (5566, 5730)]