181805072

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 397117440

約数和(自身を除く): 215312368

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 127, 136, 152, 254, 272, 277, 304, 323, 508, 554, 646, 1016, 1108, 1292, 2032, 2159, 2216, 2413, 2584, 4318, 4432, 4709, 4826, 5168, 5263, 8636, 9418, 9652, 10526, 17272, 18836, 19304, 21052, 34544, 35179, 37672, 38608, 41021, 42104, 70358, 75344, 82042, 84208, 89471, 140716, 164084, 178942, 281432, 328168, 357884, 562864, 598043, 656336, 668401, 715768, 1196086, 1336802, 1431536, 2392172, 2673604, 4784344, 5347208, 9568688, 10694416, 11362817, 22725634, 45451268, 90902536, 181805072]

約数ペア:

[(1, 181805072), (2, 90902536), (4, 45451268), (8, 22725634), (16, 11362817), (17, 10694416), (19, 9568688), (34, 5347208), (38, 4784344), (68, 2673604), (76, 2392172), (127, 1431536), (136, 1336802), (152, 1196086), (254, 715768), (272, 668401), (277, 656336), (304, 598043), (323, 562864), (508, 357884), (554, 328168), (646, 281432), (1016, 178942), (1108, 164084), (1292, 140716), (2032, 89471), (2159, 84208), (2216, 82042), (2413, 75344), (2584, 70358), (4318, 42104), (4432, 41021), (4709, 38608), (4826, 37672), (5168, 35179), (5263, 34544), (8636, 21052), (9418, 19304), (9652, 18836), (10526, 17272)]