81261792

素因数分解:

$2^5\times 3^4\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:422

約数の個数: 120

約数和(自身を含む): 242045496

約数和(自身を除く): 160783704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 107, 108, 144, 162, 214, 216, 288, 293, 321, 324, 428, 432, 586, 642, 648, 856, 864, 879, 963, 1172, 1284, 1296, 1712, 1758, 1926, 2344, 2568, 2592, 2637, 2889, 3424, 3516, 3852, 4688, 5136, 5274, 5778, 7032, 7704, 7911, 8667, 9376, 10272, 10548, 11556, 14064, 15408, 15822, 17334, 21096, 23112, 23733, 28128, 30816, 31351, 31644, 34668, 42192, 46224, 47466, 62702, 63288, 69336, 84384, 92448, 94053, 94932, 125404, 126576, 138672, 188106, 189864, 250808, 253152, 277344, 282159, 376212, 379728, 501616, 564318, 752424, 759456, 846477, 1003232, 1128636, 1504848, 1692954, 2257272, 2539431, 3009696, 3385908, 4514544, 5078862, 6771816, 9029088, 10157724, 13543632, 20315448, 27087264, 40630896, 81261792]

約数ペア:

[(1, 81261792), (2, 40630896), (3, 27087264), (4, 20315448), (6, 13543632), (8, 10157724), (9, 9029088), (12, 6771816), (16, 5078862), (18, 4514544), (24, 3385908), (27, 3009696), (32, 2539431), (36, 2257272), (48, 1692954), (54, 1504848), (72, 1128636), (81, 1003232), (96, 846477), (107, 759456), (108, 752424), (144, 564318), (162, 501616), (214, 379728), (216, 376212), (288, 282159), (293, 277344), (321, 253152), (324, 250808), (428, 189864), (432, 188106), (586, 138672), (642, 126576), (648, 125404), (856, 94932), (864, 94053), (879, 92448), (963, 84384), (1172, 69336), (1284, 63288), (1296, 62702), (1712, 47466), (1758, 46224), (1926, 42192), (2344, 34668), (2568, 31644), (2592, 31351), (2637, 30816), (2889, 28128), (3424, 23733), (3516, 23112), (3852, 21096), (4688, 17334), (5136, 15822), (5274, 15408), (5778, 14064), (7032, 11556), (7704, 10548), (7911, 10272), (8667, 9376)]