90719070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{509}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 235448640

約数和(自身を除く): 144729570

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 457, 509, 914, 1018, 1371, 1527, 2285, 2545, 2742, 3054, 4570, 5090, 5941, 6617, 6855, 7635, 11882, 13234, 13710, 15270, 17823, 19851, 29705, 33085, 35646, 39702, 59410, 66170, 89115, 99255, 178230, 198510, 232613, 465226, 697839, 1163065, 1395678, 2326130, 3023969, 3489195, 6047938, 6978390, 9071907, 15119845, 18143814, 30239690, 45359535, 90719070]

約数ペア:

[(1, 90719070), (2, 45359535), (3, 30239690), (5, 18143814), (6, 15119845), (10, 9071907), (13, 6978390), (15, 6047938), (26, 3489195), (30, 3023969), (39, 2326130), (65, 1395678), (78, 1163065), (130, 697839), (195, 465226), (390, 232613), (457, 198510), (509, 178230), (914, 99255), (1018, 89115), (1371, 66170), (1527, 59410), (2285, 39702), (2545, 35646), (2742, 33085), (3054, 29705), (4570, 19851), (5090, 17823), (5941, 15270), (6617, 13710), (6855, 13234), (7635, 11882)]