161376804

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1801}}^1$

素因数の和:1961

約数の個数: 72

約数和(自身を含む): 432912480

約数和(自身を除く): 271535676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 131, 171, 228, 262, 342, 393, 524, 684, 786, 1179, 1572, 1801, 2358, 2489, 3602, 4716, 4978, 5403, 7204, 7467, 9956, 10806, 14934, 16209, 21612, 22401, 29868, 32418, 34219, 44802, 64836, 68438, 89604, 102657, 136876, 205314, 235931, 307971, 410628, 471862, 615942, 707793, 943724, 1231884, 1415586, 2123379, 2831172, 4246758, 4482689, 8493516, 8965378, 13448067, 17930756, 26896134, 40344201, 53792268, 80688402, 161376804]

約数ペア:

[(1, 161376804), (2, 80688402), (3, 53792268), (4, 40344201), (6, 26896134), (9, 17930756), (12, 13448067), (18, 8965378), (19, 8493516), (36, 4482689), (38, 4246758), (57, 2831172), (76, 2123379), (114, 1415586), (131, 1231884), (171, 943724), (228, 707793), (262, 615942), (342, 471862), (393, 410628), (524, 307971), (684, 235931), (786, 205314), (1179, 136876), (1572, 102657), (1801, 89604), (2358, 68438), (2489, 64836), (3602, 44802), (4716, 34219), (4978, 32418), (5403, 29868), (7204, 22401), (7467, 21612), (9956, 16209), (10806, 14934)]